Thinking is increasingly moving to believing that the destruction of Russian Metrojet flight 9268, which broke apart and crashed in the Sinai Peninsula, was not due to a mechanical malfunction.

Investigators of the Russian plane crash in Egypt are “90 percent sure” the noise heard in the final second of a cockpit recording was an explosion caused by a bomb, a member of the investigation team told Reuters on Sunday.” (tinyurl.com/qzjtzjo)

After first downplaying the idea of terrorism, Russian sources are now indicating that they are leaning towards an inside job that downed the aircraft.

Investigators still have to complete their review of the plane’s black boxes and continue looking of any residues or other evidence of an explosion.

The UK government suspects that flight from Sharm el-Sheikh to St Petersburg that crashed killing 224 could have been caused by a bomb in the hold of the airplane. (tinyurl.com/nvs4lpl)

CNN is now reporting that US and British officials are suggesting that a bomb was responsible for the crash of Metrojet Flight 9268.