Sleep sensor smashes Kickstarter goal

A 22-year-old British entrepreneur’s new sleep-tracking device cracks $1m (£590,000) on the Kickstarter crowdfunding platform in five days.

Tevez father freed after kidnapping

The father of Argentine football star Carlos Tevez is freed after being kidnapped on the outskirts of Buenos Aires and held for eight hours.

Twitter shares surge on user growth

Social networking service Twitter reports a second-quarter loss of $145m but better than expected user growth, sending shares surging over 35%.

VIDEO: Inside Gaza militants’ tunnel

Israel says its offensive in Gaza will continue until the extensive Hamas tunnel network is neutralised. The BBC’s Orla Guerin was given access by the military to a recently discovered tunnel.