a criminal case was initiated regarding the emergency landing of the aircraft a chair in the port the sheremetyevo state commission of inquiry into emergency situations spearheaded by the minister of transport is working at the airport. but that is just a few. national authorities have started inspecting the wreckage for clues the crew issued a distress signal shortly after takeoff the pilot survived the crash and says lightning forced him to initiate the fatal emergency landing. but bad weather isn t the only factor investigators are focusing on after recovering the aircraft s to flight recorders human error and technical malfunction are still being seen as possible causes for aeroflot deadliest accident in over a decade. for the very latest joining me is a correspondent from moscow bureau and really the investigation into the crash has