The Dutch Safety Board is to publish a final report on why Malaysian Airlines Flight MH17 broke up over Ukraine in 2014, killing all 298 on board, reports BBC.Preliminary findings say it was hit by "high-energy objects from outside the aircraft", fuelling speculation that a surface-to-air missile was responsible.The West and Ukraine say Russian-backed rebels brought down the Boeing 777, while Russia blames Ukraine. But the report will not say who was to blame.Russia is to issue its own report.The plane - flying from Amsterdam to Kuala Lumpur - crashed in rebel-held eastern Ukraine on 17 July 2014 at the height of the conflict between government troops and the pro-Russian separatists.The victims included 196 Dutch nationals and 10 Britons.