Malaysia plane search: Why terrorist attack is unlikely
1 hour ago
Mystery still surrounds the fate of the Malaysia Airlines passenger plane that disappeared on 8 March with 239 people on board.
Pressure is mounting from relatives of the missing, as teams from 26 countries scour swathes of sea and land to find flight MH370.
Theories abound about what might have happened to the plane but the BBC's security correspondent Frank Gardner suggests a terrorist attack is unlikely.
BBC News outlines why - in 60 seconds.
Video produced by Michael Hirst