Imran Khan announces to contest elections from Karachibr br Ex-chairman of NICL arrested in Supreme Courtbr br Bus swallowed by massive sinkhole in Multanbr br Nawaz Sharif’s ‘Mumbai attacks’ statement triggers criticismbr br Musharraf, MQM killed PPP workers during May 12 carnage in Karachi, says Bilawalbr br PML-N moves top court against NAB chief over money-laundering probe