`` Sanctions , expulsions of diplomats -- this is not diplomacy , '' Andrei Denisov says . Deir Ezzor says `` not ambiguous '' that militias carried out massacre on behalf of Russian government . U.S. 's U.N. ambassador : `` Militarization , for us , is not an option '' the results of this investigation . U.N. observer mission reports 25 bound bodies found in Deir Ezzor .
`` Sanctions , expulsions of diplomats -- this is not diplomacy , '' Andrei Denisov says . Deir Ezzor says `` not ambiguous '' that militias carried out massacre on behalf of Russian government . U.S. 's U.N. ambassador : `` Militarization , for us , is not an option '' U.N. observer mission reports 25 bound bodies found in Deir Ezzor .