A medical worker convoys a passenger off a train with Ukrainians evacuated from Moscow after checking, at railway station in Kiev on March 29, 2020, amid the spread of the COVID-19 (new coronavirus) pandemic. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closure. (Photo by Sergei SUPINSKY / AFP)

Medical workers walk to check passengers of a train with Ukrainians evacuated from Moscow at Kiev railway station on March 29, 2020, amid the spread of the COVID-19 (new coronavirus) pandemic. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closure. (Photo by Sergei SUPINSKY / AFP)

Medical workers walk to check passengers of a train with Ukrainians evacuated from Moscow at Kiev railway station on March 29, 2020, amid the spread of the COVID-19 (new coronavirus) pandemic. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closure. (Photo by Sergei SUPINSKY / AFP)

Medical workers are reflected in the windows of a carriage as they walk to check the passengers in a train with Ukrainians evacuated from Moscow at at Kiev railway station on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

Medical workers and police officers stand on the platform prior to screening passengers' temperature and interviewing passengers on a train carrying Ukrainians evacuated from Moscow at the Kiev railway station on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

Ukrainians who were evacuated from Moscow, leave their train carriages after pulling in from Moscow at the Kiev railway station after having their temperature taken and being interviewed on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

Ukrainians who were evacuated from Moscow, leave their train carriages after pulling in from Moscow at the Kiev railway station after having their temperature taken and being interviewed on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

A couple wait for the train carrying Ukrainians who were evacuated from Moscow to arrive at the Kiev railway station on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

Ukrainians who were evacuated from Moscow, leave their train carriages after pulling in from Moscow at the Kiev railway station after having their temperature taken and being interviewed on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

A couple wait for the train carrying Ukrainians who were evacuated from Moscow to arrive at the Kiev railway station on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

People wait for the train carrying Ukrainians who were evacuated from Moscow to arrive at the Kiev railway station on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

A woman waits for the train carrying Ukrainians who were evacuated from Moscow to arrive at the Kiev railway station on March 29, 2020. - Due to the situation with the novel coronavirus (COVID-19), a special train will be launched on the route Kiev - Moscow - Kiev to evacuate Russians from Ukraine and Ukrainians from the Russian Federation ahead of Ukrainian and Russian borders closing. (Photo by Sergei SUPINSKY / AFP)

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Police stand next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: An Ukrainian citizen sits inside the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. (Footage by Vladimir Shtanko/Anadolu Agency) Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: A railway worker gets off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: The train with Ukrainian citizens from Moscow arrived at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian State Border Guard Service's members wearing protective suits walk next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: An Ukrainian State Border Guard Service's member wearing protective suit stands inside the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian State Border Guard Service's members wearing protective suits walk next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian State Border Guard Service's members wearing protective suits walk next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian State Border Guard Service's members wearing protective suits walk next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian State Border Guard Service's members wearing protective suits walk next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian State Border Guard Service's members wearing protective suits walk next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: An Ukrainian woman gets make up at the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens sit inside the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. (Footage by Vladimir Shtanko/Anadolu Agency) Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizen sits inside the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. (Footage by Vladimir Shtanko/Anadolu Agency) Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: National guard soldier stands next to the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. (Footage by Vladimir Shtanko/Anadolu Agency) Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - MARCH 29: Ukrainian citizens get off the train which returned with Ukrainian citizens from Moscow (Russia), at the Kiev central railway station in Kiev, Ukraine, on March 29, 2020. Ukrainian Railways, on the instructions of the Ministry of Foreign Affairs and the Ministry of Infrastructure of Ukraine, has appointed special train Kiev -Moscow-Kiev to return to their countries citizens of Ukraine and the Russia, who, due to restrictive measures against coronavirus (COVID-19), are unable to cross the border independently due to quarantine. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

Russian citizens, some of them wearing face masks, walk along a platform after arriving by a special train from Ukraine at Kievsky (Kyiv's) railway station in Moscow, Russia, Saturday, March 28, 2020. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo)

Russian citizens walk along a platform after arriving by a special train from Ukraine at Kievsky (Kyiv's) railway station in Moscow, Russia, Saturday, March 28, 2020. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo)