Pakistan Top StoriesTTP claims responsibility of Karachi blastAhmed FarooqFebruary 13, 2014February 13, 2014 by Ahmed FarooqFebruary 13, 2014February 13, 2014 ISLAMABAD: The Tehreek-e-Taliban Pakistan (TTP) has claimed responsibility for the suicide blast that hit police bus in Karachi today, killing 13 policemen....