Pakistan Arrests Key Suspect in 2010 Killing of Pakistani Politician in London

Pakistan's interior minister says security forces have arrested a key suspect in the slaying of a prominent Pakistani politician who was stabbed to death in broad daylight in London in 2010. The slain politician was a senior leader of the Muttahida Qaumi Movement, one of Pakistan's main political parties. The MQM has been accused by opponents of using violence to bolster its power.