The man suspected of killing five members of the U.S. military in Tennessee last week was in Qatar at least once during a 2014 trip to the Middle East, according to two U.S. government sources who said reasons for the stopover were still unknown.
Prime Minister David Cameron will set out a five-year strategy on Monday to tackle extremism in Britain, an issue he will describe as the "struggle of our generation" - vowing to take on those responsible for radicalising young British Muslims.
Hours before the Tennessee shooting that killed five U.S. servicemen, the suspected gunman texted a close friend a link to an Islamic verse that included the line: "Whosoever shows enmity to a friend of Mine, then I have declared war against him."