NEW : Rocket attacks damage hospital , kill 10 man . Russia claims 300 pro- But CNN 's Tim Lister , reporting from Donetsk , Ukraine , questioned the government account , saying it would be `` incredibly difficult '' to confirm such a body count amid the heightened fighting . ` Ukraine militants dead in fighting . Separatist official puts number at 300 , says fighters downed government aircraft . Donetsk Regional Authority ca n't independently confirm the accounts .
NEW : Rocket attacks damage hospital , kill 10 man . Russia claims 300 pro- Ukraine militants dead in fighting . Separatist official puts number at 300 , says fighters downed government aircraft . Donetsk Regional Authority ca n't independently confirm the accounts .