NEW : Donetsk health authority says 26 people sought medical treatment , 4 with gunshot wounds . IMF chief says $ 17.1 billion bailout for Ukraine is not without cost but is necessary . At least one police officer was injured in the clashes , the Ukrainian Interior Ministry said , adding that shots were fired and small grenades and stones were used in the attack . Christine Lagarde : Russia has seen ` ` outrage '' for its actions in Ukraine . Russia says it is expelling a Russian naval diplomat after alleged criminal activities .
NEW : Donetsk health authority says 26 people sought medical treatment , 4 with gunshot wounds . IMF chief says $ 17.1 billion bailout for Ukraine is not without cost but is necessary . Christine Lagarde : Russia has seen ` ` outrage '' for its actions in Ukraine . Russia says it is expelling a Russian naval diplomat after alleged criminal activities .