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).

Lewis Hamilton cuts his championship points deficit to Nico Rosberg as he cruises to victory in the United States Grand Prix.

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.

Comedians and friends pay tribute to the "amazing" contribution to British TV of Dad's Army creator Jimmy Perry after his death at the age of 93.

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.