New Delhi, May 19 -- Lashkar-e-Taiba (LeT) terrorist Razaullah Nizamani alias Ghazi Abu Saifullah Khalid, who was behind the failed 2006 attack on the Rashtriya Swayamsewak Sangh (RSS) headquarters, was killed by unidentified gunmen in Pakistan's Sindh province on Sunday afternoon, according to intelligence officials. Saifullah Khalid was reportedly shot at in Matli, in district Badin in Sindh when he stepped out of his residence, said an officer.P8...