David Cameron say the UK will be made safer by launching air strikes on Islamic State targets within Syria alongside the US-led coalition.
Two people have died and seven people were arrested in a police raid on a flat in the Paris suburb of Saint-Denis.
A series of coordinated attacks across Paris by militants affiliated with the Islamic State (IS) have left 129 people dead and more than 400 injured.
Does the Sinai plane crash mark the start of a global presence for the Islamic State (ISIS).
Russia has ordered the suspension of all flights to Egypt following information that the crash of flight KGL9268 near Sharm el-Sheikh was caused by a bomb.