BBC Live updates
http://www.bbc.com/news/world-2835478719:44: US Vice-President Joe Biden has spoken to Ukrainian President Petro Poroshenko, Reuters quotes the White House as saying. He offered US assistance in helping to determine what happened to the plane.
19:35: The director of Eurocontrol, which controls air traffic across Europe, says that Ukrainian airspace has now been closed after reports of the crash. Speaking to Radio 5 Live, Tytgat Luc said there were four aircraft flying in the same area at the same time that the crash occurred, but that they continued their flights.
Journalist Noah Sneider tweets from the scene: Firefighters putting out smoldering wreckage of #mh17. Everything burnt out, grass, plane, ppls minds. Impossible to comprehend... #ukraine
Journalist Noah Sneider tweets: At crash site of #MH17. Bodies everywhere, organs splayed out. Too gruesome to post photographs. This is an absolute disaster. #ukraine
19:28: Flight recorders have been found at the crash site, Konstantin Knyrik, a spokesman for the pro-Russian rebels, has told Interfax news agency. Earlier reports quoted rebels as saying they intended to send the flight recorders to Moscow for checking.