At least 13 people are killed in southern California when a tour bus collides with a lorry, media reports say.

US lawmakers and both presidential candidates have raised questions about AT&T's deal to buy Time Warner for $85.4bn (£70bn).

Senior doctors have drawn up a list of 40 treatments which bring little or no benefit to patients to try to reduce unnecessary medical procedures.

Clothes made by child refugees in Turkey are ending up among those sold by leading British brands, a Panorama investigation reveals.

A blogger raising money for the woman who footballer Ched Evans was accused of raping says the campaign is about showing "love and support".

2016 is likely to be the first year in recorded history in which levels of CO2 in the atmosphere remain above the symbolically important threshold of 400 parts per million.

Three French defence officials and two other people die when a surveillance plane crashes shortly after take-off at Malta International Airport.

Home webcams that were hijacked to help knock popular websites offline last week are being recalled in the US.