MH17 shot down by missile brought into Ukraine from Russia (3) The BUK missile system blamed for shooting down flight MH17 over east Ukraine, killing all 298 people on board, is an anti-aircraft weapon whose origins date back to the Soviet era. Ukraine's Foreign Ministry says that the Russian anti-aircraft system responsible for the plane downing was delivered from Russia to Eastern Ukraine then taken back to Russian territory. IMAGES AND SOUNDBITES COMPLETES VID942115_EN + VID942164_EN