Cameron to push for war; joining Syria air strikes

Prime Minister David Cameron will this week set out the case for joining air strikes against Islamic State militants in Syria

Britain's Prime Minister David Cameron waits to greet his Slovenian counterpart Miro Cerar at Number 10 Downing Street in London

Britain is already bombing IS in Iraq but Cameron has said he believes Britain should be doing more to fight the militants, who claimed responsibility for this month’s attacks in Paris in which 130 people died.