MH17 shot down by Buk missile brought in from Russia, say investigators

Malaysia Airlines Flight 17 was downed over eastern Ukraine by a Buk missile brought in from Russia to a pro-Russian area of eastern Ukraine, the head of the Dutch National Detective Force, Wilbert Paulissen said Wednesday.The statement was made at a press conference in Rotterdam for the release of a report by the Joint Investigation Team, a Dutch-led group of prosecutors gathering evidence for a potential criminal trial. 

 Source-CNN