Daily deals firm Groupon reports first-quarter results ahead of market expectations, with revenues up 7.5% and its net loss narrowing to $3.24m (£2.1m).

Microsoft names Amy Hood as its new chief financial officer, the first woman to hold the post at the technology giant.

The next generation of cybersecurity experts are to be trained at two government-funded university research centres.

Electronics giant Sony reports an annual profit for the first time in five years, boosted by a weakening yen and asset sales.

Ren Zhengfei, the founder of China's Huawei - the world's second-largest telecom equipment maker - speaks to the media for the first time.

The controversial 3D-printed gun has attracted 100,000 downloads since the blueprints went online this week.

Fire crews in Devon and Somerset are warned to be careful of solar panels at emergency scenes in case they get electric shocks.

The video for David Bowie's latest single, which stars Gary Oldman and Marion Cotillard, was temporarily pulled from YouTube over its graphic content.