The latest Daily Mail article quotes one of the posts on here ("StopStart" post 233 on 1st Nov 2015, 11:47):
"An aviation expert writing on pprune, an internet forum for professional pilots, claimed the tail section of the aircraft shows evidence of 'the fuselage skin peeling outwards possibly indicative of a force acting outwards from within'."
So was it a bomb? Experts reveal Russian passenger plane broke up at high altitude - as the bodies of 144 victims are flown back to St Petersburg | Daily Mail Online