Police block the street approaching the Russian Embassy on the day of the Russian presidential vote in Kiev, Ukraine, Sunday, March 18, 2018. Security forces are surrounding Russian facilities in Ukraine amid anger over the Ukrainian government???s refusal to allow ordinary Russians to vote for president. (AP Photo/Efrem Lukatsky)

Police block the street approaching the Russian Embassy on the day of the Russian presidential vote in Kiev, Ukraine, Sunday, March 18, 2018. Security forces are surrounding Russian facilities in Ukraine amid anger over the Ukrainian government???s refusal to allow ordinary Russians to vote for president. (AP Photo/Efrem Lukatsky)

Volunteers of the right-wing paramilitary Azov Civil Corps keep warm by a fire as they gather to block access to Russian citizens living in Ukraine from attending the polling station at the Russian embassy, in Kiev, Ukraine, Sunday, March 18, 2018. Security forces are surrounding Russian facilities in Ukraine amid anger over the Ukrainian government???s refusal to allow ordinary Russians to vote for president. (AP Photo/Efrem Lukatsky)

A figure depicting Russian President Vladimir Putin stands in front of a gate with photos of victims from Russian wars in Chechen, Syria and Ukraine as right wing activists attempt to block access for Russian citizens who live in Ukraine to vote, in Kiev, Ukraine, Sunday, March 18, 2018. Security forces are surrounding Russian facilities in Ukraine amid anger over the Ukrainian government???s refusal to allow ordinary Russians to vote for president. (AP Photo/Efrem Lukatsky)

Supporters of different Ukrainian nationalist parties stand near to a figure depicting Russian President Vladimir Putin as right wing activists attempt to block access for Russian citizens who live in Ukraine to vote, in Kiev, Ukraine, Sunday, March 18, 2018. Security forces are surrounding Russian facilities in Ukraine amid anger over the Ukrainian government???s refusal to allow ordinary Russians to vote for president. (AP Photo/Efrem Lukatsky)

Th shoes of a figure depicting Russian President Vladimir Putin are photographed surrounded by soldier figurines, in front of the Russian Embassy as right wing activists attempt to block access for Russian citizens who live in Ukraine to vote, in Kiev, Ukraine, Sunday, March 18, 2018. Security forces are surrounding Russian facilities in Ukraine amid anger over the Ukrainian government's refusal to allow ordinary Russians to vote for president. (AP Photo/Efrem Lukatsky)

An activist calls Russian citizen to cast their ballots in a street toilet cabine stylized as pooling booth, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Russians living in Ukraine will be unable to vote in Russia's presidential election because access to Moscow's diplomatic missions will be blocked Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

An activist calls Russian citizen to cast their ballots in a street toilet cabine stylized as pooling booth, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

An activist (L) prepares to symbolically cast his ballot in a street toilet cabine stylized as pooling booth, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

An activist stands by a street toilet cabine stylized as pooling booth, calling Russian citizens to symbolically cast their vote during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Policemen (Rear L) stand guard as a street toilet cabine stylized as pooling booth, calling Russian citizens to symbolically cast their vote in it, is pictured during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, drink vodka as they inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, drink vodka as they inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

An activist (R) calls Russian citizen to symbolically cast their ballot in a street toilet cabine stylized as pooling booth, during a picket by Ukrainian nationalists protesting a voting ban imposed to Russian citizens living in Ukraine, outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, drink vodka as they inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Policemen stad guard behind an anti-riot fence as an activist, part of a group protesting a voting ban imposed to Russian citizens living in Ukraine, looks at a "golden monument to Russian President Vladimir Putin" that activists symbolically inaugurated during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, drink vodka as they symbolically inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

A policeman stands guards by an anti-riot fence surrounding the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Policemen stands guards by an anti-riot fence surrounding the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, drink vodka as they inaugurate a "golden monument to Russian President Vladimir Putin" during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

People walk past as policemen stand guard by an anti-riot fence surrounding the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Policemen stands guards by an anti-riot fence preventing access to the Russian embassy in Kiev on March 18, 2018, as Ukrainian nationalist activists (not pictured) symbolically protest a voting ban imposed to Russian citizens living in Ukraine. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Policemen stands guards by an anti-riot fence preventing access to the Russian embassy in Kiev on March 18, 2018, as Ukrainian nationalist activists (not pictured) symbolically protest a voting ban imposed to Russian citizens living in Ukraine. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, display a photo exhibition depicting alleged crimes committed in Ukraine and other countries, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, display a photo exhibition depicting alleged crimes committed in Ukraine and other countries, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, display a photo exhibition depicting alleged crimes committed in Ukraine, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

Activists protesting a voting ban imposed to Russian citizens living in Ukraine, display a photo exhibition depicting alleged crimes committed in Ukraine and other countries, during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

An activist, part of a group protesting a voting ban imposed to Russian citizens living in Ukraine, puts a shapka hat on a "golden monument to Russian President Vladimir Putin" that activists symbolically inaugurated during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

An activist holding a balalayka instrument, part of a group of Ukrainian nationalists protesting a voting ban imposed to Russian citizens living in Ukraine, gives out "ballots" to Russian citizens living in Ukraine during a picket by Ukrainian nationalists outside the Russian embassy in Kiev on March 18, 2018. Kiev has said Russians living in Ukraine would not be able to vote in today's election as access to Moscow's diplomatic missions would be blocked. / AFP PHOTO / SERGEI SUPINSKY

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - 18.03.18: Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the election of the Russian president in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election and hang a model of Russian President Vladimir Putin in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Ukrainian nationalists throw eggs to the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Ukrainian nationalists prepare to throw eggs to the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Ukrainian nationalists throw eggs to the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election and hang a model of Russian President Vladimir Putin in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election and hang a model of Russian President Vladimir Putin in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election and hang a model of Russian President Vladimir Putin in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election and hang a model of Russian President Vladimir Putin in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency

KIEV, UKRAINE - MARCH 18: Police officers take security measures as Ukrainian nationalists block the embassy of the Russian Federation to disrupt the Russian presidential election in Kiev, Ukraine on March 18, 2018. Activists do not let people into the embassy to vote for the presidential elections held in Russia. Konstantin Melnitskiy / Anadolu Agency