LEGO's Burj Khalifa model unveiled
Death toll from tornadoes climbs in US Midwest
France's Lagarde announces candidacy for top IMF job
Arab Spring and IMF row to preoccupy G8 leaders
Gulf Air's new premium lounge at London's Heathrow
Heavy clashes erupt in Yemen capital, 9 dead
Work in progress: site tour of Doha's The Pearl Qatar
Fresh travel nightmare for thousands of passengers
Ping pong, protest and protocol mark Obama's UK visit
Ireland cheers Obama's return to his roots
10th anniversary of Apple's first store
Death, debris and destroyed homes: aftermath of Missouri's tornado