A pro-Russian militiaman stands at the entrance of the Public Prosecutor Office of the Ukrainian Government after independence supporters from the rebel-controlled provinces forced its eviction. The police launched tear-gas grenades in response, but they finally renounced the use of arms and left the building. Donetsk, May 1 2014. (David González)

Pavel Pavelko's (42) relatives, friends and neighbours walk to the cemetery to bury his body in the town of Alexandrovka. On Easter night three pro-Russian militiamen died at a checkpoint outside Sloviansk. Alexandrovka, East Ukraine, April 22 2014. (David González)

A woman cries in front of a photo of three pro-Russian militiamen taken down in shootings at a checkpoint outside Sloviansk on the night of April 20. Sloviansk, East Ukraine, 21 April 2014. (David González)

Three pro-Russian soldiers keep watch in front of the entrance to the Kostyantynivka Town Hall right after forcing its evacuation. Kostyantynivka is 67,3 km from Donetsk and lies on the route connecting Donetsk and Sloviansk.. East Ukraine, 28 April 2014. (David González)

A woman during the speech given in Lenin Square as part of the demonstration on Labour Day. Donetsk, May 1 2014. (David González)

Young girl holds a Ukrainian flag in a rally in support of the Kiev Government held in Kromatorsk, a town close to Sloviansk and headquarters to the insurgent government. Kromatorsk, East Ukraine, April 17 2014. (David González)

A pro-Russian demonstrator wounded during the clashes with the police after the taking of the Public Prosecutor Office of the Ukrainian Government following the demonstration on Labour Day. Donetsk, May 1 2014. (David González)

Burial ceremony for Pavel Pavelko (42), who died at a checkpoint outside Sloviansk on Easter night. Alexandrovka, East Ukraine, April 22 2014. (David González)