A man reacts after receiving the announcement that his wife was killed during fighting between Ukrainian and Pro-Russian separatists at a hospital at the town of Slaviansk
A man (C) reacts after receiving the announcement that his wife was killed during fighting between Ukrainian and Pro-Russian separatists at a hospital at the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
A pro-Russian armed man takes position near the town of Slaviansk
A pro-Russian armed man takes position near the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian armed men take positions near the town of Slaviansk
Pro-Russian armed men take positions near the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
A pro-Russian armed man takes position near the town of Slaviansk
A pro-Russian armed man takes position near the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
An injured pro-Russian armed man is helped by civilians near the town of Slaviansk
An injured pro-Russian armed man is helped by civilians near the town of Slaviansk, eastern Ukraine May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian armed men take positions near the town of Slaviansk
Pro-Russian armed men take positions near the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
An injured pro-Russian armed man is helped out of a car by a medical staff at a hospital at the town of Slaviansk
An injured pro-Russian armed man is helped out of a car by a medical staff at a hospital at the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)
Relatives and friends mourn 21-year-old nurse Izotova at her funeral in Kramatorsk, eastern Ukraine
Relatives and friends mourn 21-year-old nurse Yulia Izotova at her funeral in Kramatorsk, eastern Ukraine May 5, 2014. Witnesses say Izotova was killed by shots from a Ukrainian military column on the road from Slaviansk to Kramatorsk, joining a small but gradually list of dead in a month-old uprising. REUTERS/Marko Djurica (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian armed men ride on top of an armoured personnel carrier near the town of Slaviansk
Pro-Russian armed men ride on top of an armoured personnel carrier near the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian armed men hold their guns out of a van's window near the town of Slaviansk, eastern Ukraine
Pro-Russian armed men hold their guns out of a van's window near the town of Slaviansk, eastern Ukraine, May 5, 2014. Pro-Russian separatists ambushed Ukrainian forces on Monday, triggering heavy fighting on the outskirts of the rebel stronghold of Slaviansk, Interior Minister Arsen Avakov was quoted as saying. REUTERS/Baz Ratner (UKRAINE - Tags: POLITICS CIVIL UNREST)