Investigation: Obama may have won the Nobel peace prize, but escalated the drone warfare programme to unprecedented levels, reports Jessica Purkis and Jack Searle.
Several fighters from Baghdad-allied militias were also wounded when a remotely piloted vehicle opened fire erroneously near Tikrit on Saturday, it has emerged.
Britain strikes IS fighters in Syria for first time
A Royal Air Force drone strike has killed three Islamic State fighters in Syria including one British man, Prime Minister David Cameron said on Monday, calling the attack 'lawful.'