AMSTERDAM - Dutch prosecutors said on March 30 they are looking for witnesses in eastern Ukraine who may have seen a Russian-made BUK rocket being fired at Malaysia Airlines flight MH17, although they added that they have not yet concluded what caused the crash.
Murder In The Sky: Malaysia Airlines Flight MH17
Reuters: Malaysian airliner crash investigators appeal for missile witnesses

A pro-Russian gunman stands guard on Nov. 10, 2014 next to parts of the Malaysia Airlines Flight MH17 at the crash site near the village of Hrabove (Grabovo), some 80 kms east of Donetsk.