Mobile messaging service WhatsApp is now used by a billion people every month, Facebook reports.

Brazil says there is no risk to the Rio Olympics because of Zika, amid warnings a disease linked to the virus poses a global health emergency.

Oil giant BP announces its full-year profits are down by more than half, but it maintains its dividend for the quarter.

The makers of one of YouTube's biggest channels have dropped plans to trademark and license a popular video format - after facing outcry from fans.

A police officer who is facing a misconduct claim had praised Andrew Mitchell's "candour" for explaining his role in the "plebgate" row but then told the BBC he had been evasive, a tribunal hears.

The BBC will broadcast the next five Olympics - Summer and Winter- on its television, radio and online platforms.

The families of 11 men who died in the Shoreham air crash are told an incident at another airshow is part of the police investigation.

An urgent global race is under way to establish how and why the Zika virus could be causing a devastating spike in cases of babies being born with underdeveloped brains in South America.