马来总理：MH17坠毁前未收到求救信号

Malaysian Prime Minister Najib Razak speaks during a press conference at a hotel at the Kuala Lumpur International Airport, in Kuala Lumpur, Malaysia, July 18, 2014. Malaysian Prime Minister Najib Razak said here Friday at a press conference that the MH17's flight route was declared safe by the International Civil Aviation organization (ICAO), adding that the International Air transportation association had stated that the airspace the aircraft was traversing was not subject to restrictions. (Xinhua/Chong Voon Chung)