Q&A: What we know and don't know about the downing of MH17

Investigation points to Russian missile in the shooting down of aircraft over Ukraine in 2014

Investigators have said the missile that shot down flight MH17 in 2014 over eastern Ukraine came from Russia. Specifically, it originated with the 53rd anti-aircraft brigade based in the western city of Kursk. The evidence supporting this conclusion was "legally convincing" and would stand up in court, they said.