US officials say the leader of al-Qaeda's North Africa branch Mokhtar Belmokhtar was killed in a US airstrike in Libya over the weekend.
However, there are reports the airstrikes missed the target, instead killing four members of a Libyan extremist group the US has linked to the September 11 2012 attack on the US consulate in Benghazi.
Nina-Maria Potts reports:
IN: " An Islamist....
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