The UK's emphasis on Islamist terrorism has meant it has ignored the traditional threat from nation states like Russia, according to a former head of MI6.
Families desert Libya's coastal city of Sirte after two days of clashes between Islamic State militants and fighters loyal to a government based in Tripoli.
Graffiti sprayed last year on the ruins of Cyrene, in Libya, reads: "Destroy the Idols". Islamists, including Islamic State militants, see such pre-Islamic structures as sacrilege.
The tomb of Iraq's late dictator Saddam Hussein is severely damaged in heavy clashes between militants from the Islamic State militants and Iraqi security forces in Tikrit.
Three British teenagers who were stopped in Turkey on their way to Syria are back in the UK and are being held at a central London police station, Scotland Yard says.
Australia's government is trying to confirm that an Australian teenager was among Islamic State suicide bombers in central Iraq. PM Tony Abbott called the reports "absolutely horrific".
Philip Hammond praises the "brilliance" of spies, amid suggestions Mohammed Emwazi - aka "Jihadi John" - may have been radicalised after attempted recruitment by MI5.
The leader of the Nigerian Islamist group says his fighters will obey Abu Bakr al-Baghdadi, the self-styled "caliph" whose followers have seized swathes of Iraq and Syria.