KARACHI, May 19 (BSS/AFP) - Gunmen have killed a Pakistani politician from Imran Khan's party in the southern port city of Karachi on the eve of a partial re-run of May 11 polls that were marked by more than 150 killings. Zohra Hussain, 59, vice president of the women's wing of Pakistan Tehreek- e-Insaf (PTI) in the province of Sindh, was targeted by three gunmen on a motorcycle outside her home in an upmarket part of the city late Saturday. Former cricket star Khan was quick to pin the blame on the Muttahida Qaumi Movement (MQM) party, which represents the Urdu- speaking majority, and specifically its boss, Altaf Hussain, who lives in exile in London. "I hold Altaf Hussain directly... More...