Islamic State militants have released a video that purportedly shows the beheading of a US journalist who went missing two years ago.
An expert in radicalisation has warned that Britons are at the forefront of the Islamic State conflict in Iraq and Syria and could be called upon to carry out attacks in the UK.
David Cameron is cutting short his holiday in Cornwall and returning to Downing Street following the beheading of a US journalist.
Twitter has said it will remove images and videos of dead people at the request of immediate family members.
Four people have been arrested over several attempted letter bomb attacks, including a number targeting Army recruitment offices.
A veteran rock climber has died in a fall in Yosemite National Park just hours after asking his girlfriend to marry him.
The half-brother of actress and American Idol star Jennifer Hudson has been arrested in Michigan on suspicion of stabbing a man repeatedly in the face.
An Israeli cabinet minister has said Hamas's military leader "deserves to die just like bin Laden", after an airstrike apparently targeting him left his wife and son dead.
Police charged crowds of protesters and arrested 47 people in Missouri as tensions flared following the shooting dead of a "knife-wielding" suspect by police in St Louis.
Respect MP George Galloway has been interviewed under caution by police over a speech in which he declared Bradford an "Israel-free zone".
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