A pro-Russian gunman refuses money from a woman while sitting in a truck in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of an armored personnel carrier and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and shot in the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". Ukraine's critical presidential election got underway Sunday under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east. (AP Photo/Vadim Ghirda)

A woman cries after hugging a pro-Russian gunman in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of armored personnel carriers and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and shot in the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". Ukraine's critical presidential election got underway Sunday under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east. (AP Photo/Vadim Ghirda), APTOPIX

A woman speaks to a pro-Russian gunman in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of an armored personnel carrier and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and fired shots into the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". Ukraine's critical presidential election got underway Sunday under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east. (AP Photo/Vadim Ghirda)

A woman holds the hand of a pro-Russian gunman in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of an armored personnel carriers and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and gave shots in the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". Ukraine's critical presidential election got underway Sunday under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east. (AP Photo/Vadim Ghirda)

A woman passes between pro-Russian gunmen in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of an armored personnel carrier and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and fired shots in the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". Ukraine's critical presidential election got underway Sunday under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east. (AP Photo/Vadim Ghirda)

Pro-Russian armed insurgents stand guard outside the regional administration building in the city of Luhansk, eastern Ukraine, Sunday, May 25, 2014. Pro-Russian insurgents in Luhansk declared Sunday's presidential election organized by authorities in Kiev an illegal act. A spokesman for the insurgents insisted the vote could not be held because the region has declared itself independent from the rest of Ukraine. In the city there was no sign of the poll being organized and buildings used a polling stations in previous elections were closed. (AP Photo/Igor Golovniov)

A woman touches the hand of a pro-Russian gunman in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of armored personnel carriers and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and gave shots in the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". (AP Photo/Vadim Ghirda)

Pro-Russian armed insurgents stand guard outside the regional administration building in the city of Luhansk, eastern Ukraine, Sunday, May 25, 2014. Pro-Russian insurgents in Luhansk declared Sunday's presidential election organized by authorities in Kiev an illegal act. A spokesman for the insurgents insisted the vote could not be held because the region has declared itself independent from the rest of Ukraine. In the city there was no sign of the poll being organized and buildings used a polling stations in previous elections were closed. (AP Photo/Igor Golovniov)

Crowds cheer pro-Russian gunmen in Lenin square in Donetsk, Ukraine, Sunday, May 25, 2014. A convoy of an armored personnel carriers and seven trucks carrying several hundred heavily armed men drove through central Donetsk early Sunday afternoon and gunmen got out of the trucks, stood to attention and shot in the air in jubilation as a crowd of several thousand supporters cheered them and chanted: "Heroes!". Ukraine's critical presidential election got underway Sunday under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east. (AP Photo/Vadim Ghirda)