Chancellor George Osborne throws his weight behind plans for an M4 relief road in south Wales.

A suicide bomb and gun attack on a courthouse in the Afghan city of Farah leaves more than 50 people dead and 90 wounded, most of them civilians.

The body's own "training manual" for successfully attacking HIV has been cracked by scientists and it is hoped it can be used to design vaccines.

Four new cases of the H7N9 bird flu virus, not previously seen in humans have been identified by authorities in China.

The US will move an advanced missile system to the Pacific island of Guam as a precaution following threats by North Korea, the Pentagon says.