The bomb then hit an army convoy which killed many Pakistani soldiers.
Fifteen of the twenty security officers that were injured were taken to the Bannu Combined Military Hospital in critical condition.
[2][3] According to TTP spokesman Shahidullah Shahid, "The bombing was carried out to (avenge) the killing of Maulana Waliur Rehman, commander of TTP South Waziristan, who was killed on May 29, 2013, in a U.S. drone strike in Miranshah."
The Prime Minister of Pakistan, Nawaz Sharif, canceled a trip to Davos, Switzerland that he had planned.
You can help Wikipedia by expanding it.This article about Pakistani history is a stub.