Afghanistan asked to hand over plotters of Bisham attack

• Interior minister, Nacta chief say TTP used Afghan soil to target Chinese engineers; 11 suspects taken into custody so far
• Say alleged bomber was an Afghan national, had support from ‘facilitators inside Pakistan’
• Islamabad will take ‘unilateral steps’ if lack of cooperation persists, Naqvi warns Kabul

KARACHI: The leadership of the banned Tehreek-i-Taliban Pakis­tan (TTP), based in Afgha­nistan, and hostile foreign intelligence agencies were behind the March 26 suicide attack on Chinese engineers in Bisham...