When the world has no respect for and no fear of an American president, as is the case with Barack Obama, bad actors will do basically whatever they want!
'Anton Gerashenko, an adviser to Ukraine’s interior minister, said on his Facebook page the plane was flying at an altitude of 10,000 meters (33,000 feet). He also said it was hit by a missile fired from a Buk launcher, which can fire missiles up to an altitude of 22,000 meters (72,000 feet)...
The Donetsk region government said Thursday’s plane crashed near a village called Grabovo, which it said is currently under the control of armed pro-Russian separatists. The region where theflight was lost has seen severe fighting between Ukrainian forces and pro-Russia separatist rebels in recent days.
A launcher similar to the Buk missile system was seen by Associated Press journalists near the eastern Ukrainian town of Snizhne earlier Thursday...' (Source)