Republican Chris Christie drops out of the US presidential race after a disappointing finish in New Hampshire.

The world's longest-surviving heart transplant patient dies, 33 years after his life-saving operation.

One of the US's most senior public health officials reveals the "strongest evidence to date" of the effect on babies of the mosquito-borne Zika virus.

The US raises concerns with Rwandan officials over reports suggesting it is involved in "destabilising activities" in neighbouring Burundi.

An Australian man is charged over the alleged kidnapping and attempted murder of two female backpackers on a beach south of Adelaide.

All criminals who plead guilty at the earliest opportunity could have their sentences cut by a third, under new plans in England and Wales.

Vice-chancellors at UK universities receive average salary packages of £272,000 a year, the University and College Union says.

More students from white working class backgrounds are to be targeted in a university recruitment drive