The senior Luftwaffe officer responsible for the bombing Attack , `` Generaloberst '' Alexander Löhr , was captured Conquering by the Yugoslavs at the end Process_end of the war Hostile_encounter and was tried and executed for war Hostile_encounter crimes , in part for his involvement in the bombing Attack of Belgrade .

These forces were assisted Assistance by air sorties of the Western Allies and the Soviets against units of Generaloberst Alexander Löhr 's Army Group ‘ E ’ as the latter retreated Escaping from Greece .