The German parliament has voted in support of a motion for the German military to join the US-led coalition fighting the Islamic State in Syria.
The RAF carried out a number of “successful” air strikes on oil fields controlled by the Islamic State, the Ministry of Defence says.
Russia has accused Turkish President Recep Tayyip Erdogan of being directly involved in the purchase of oil from the Islamic State as relations between the two former allies continues to deteriorate.
The US is to deploy special forces to Iraq in order to further increase pressure on Islamic State militants, US Defence Secretary Ashton Carter has said.
David Cameron has started to present his case for the UK to join the air strikes on Islamic State targets in Syria.