A double bombing occurred on 13 May 2011 in Shabqadar Fort in Charsadda District of Khyber Pakhtunkhwa province of Pakistan. 98 people were killed when two suicide bombs exploded in the Frontier Constabulary training center. At least 140 others were injured. The explosions occurred while cadets were getting into buses for a ten-day leave after a training course. It was the deadliest attack against Pakistani security forces this year to date.