Leaning tower of Big Ben sparks fears among politicians
Nigeria fears onset of civil war as sectarian violence escalates
Teenager sails into record books with round-the world trip
Sanctions-hit Iran brushes off looming EU oil embargo
New cruise ship tape reveals crew denying crash to coastguard
Footage of break-dancing bricklayer takes China by storm
Video shows panicked evacuation from stricken cruise liner
Abseiling tradesmen scale Burj Khalifa in dramatic video
British passengers tell of panicked escape from stricken cruiser