A laptop with details of how to build a dirty bomb has been found in Syria. One expert tells Channel 4 News that such an attack could be "easier than flying a plane into a tall building".
The US may have become more cynical about the impact of a president. But it still cherishes the aura of the office - which means "no drama Obama" simply won't do.
David Cameron has announced new legislation to stop terror suspects travelling abroad. But can't we already confiscate their passports?
The UK terror threat is raised from substantial to severe - meaning a terrorist attack is highly likely - whilst David Cameron promises to make it harder for British jihadis to travel abroad.
The number of refugees from the Syrian civil war rises above 3 million, the United Nations refugee agency says.
US officials confirm that an American believed to be fighting with extremists in Syria has been killed, reportedly by the Free Syrian Army.
Murder, torture and rape - a UN report catalogues the "unimaginable" horrors being heaped upon the people of Syria by the government, rebel groups and the Islamic State.
As the Islamic State seizes Tabqa airbase in Syria, it kicks the Syrian government's army out of the north east of the country and seizes a cache of advanced weapons.