No deal for Groupon investors as Q2 profit slumps 20%
Boris Johnson and Arnold Schwarzenegger take a tour on Emirates Air Line
Man drives caravan 12km on wrong side of road
Syria rebels 'shoot down warplane'
Egypt president sweeps out army rulers
Mitt Romney introduces Paul Ryan as 'next president'
Two hundred firefighters tackle massive blaze in east London
Mursi's decision a 'game changer'
Olympic closing ceremony plays out on a high note