Imran Khan leads march against US drone attacks
More top news
Rihanna steals Justin Bieber's YouTube crown
The global superstar has eclipsed Justin Bieber to become the most viewed artist on YouTube.
Internet watchdog to tackle online child abuse
Technology giants and the Government have agreed a new approach to tackling online child abuse images.
Experts gather to discuss UK's unusual weather
Leading scientists and meteorologists have gathered at a Met Office summit to discuss the UK's unusual weather patterns in recent years.