KARACHI: A senior policeman who had survived several assassination attempts was killed with three other people by a suicide bomber in Karachi Thursday, officials said, in an attack claimed by a Taleban faction.The attack happened near a tailor’s shop in the old vegetable market in a neighborhood to the east of the city.“The blast killed police official Shafiq Tanoli and three others and wounded 15 others including Tanoli’s three guards,” another senior officer Tanvir Ahmad Tunio told AFP.He said the target was Tanoli, who had conducted a number of operations against militants and criminals and survived several attempts on his life in the past.A local senior police official, Raja Umar Khitab, confirmed that it was a suicide attack.Omar Khorasani of the Mohmand chapter of the Tehreek-e-Taleban Pakistan (TTP) said in a statement that his group were responsible, accusing Tanoli of killing “m...