pressurising militia in eastern ukraine into allowing a proper investigation to take place ortiz marina porton i was following his speech the american leader has accused russia of training arming and providing the separatist needs ukraine with anti-aircraft equipment accusations moscow has a vietnam league denied obama insists that president putin has direct responsibility to force and separatists to what he says to stop blocking an international investigation into last week's shoot down of the malaysian airlines passenger jet unfortunately the russian backed separatists who control the area continue to block the investigation they've repeatedly prevented international investigators from getting full access to the wreckage as investigators approached they fired their weapons into the air. the separatists are removing evidence from the crash site all of which begs the question what exactly are they trying to hide now while obama insists that monitors are being blocked by the local militias statements that we're hearing from the from o.c. officials counter obama's version of events we heard from