After the war in Afghanistan began in 2001, the Taliban started an insurgency, which is known as the Taliban insurgency. The Taliban started to attack the forces of ISAF and NATO, in Afghanistan, and committed many terrorist attacks. In the conflict, the Taliban fight against the Afghan government and its allies. Al-Qaeda is linked to the Taliban. With this, the conflict in the region spread to Pakistan. The related conflict in Pakistan is the insurgency in Khyber Pakhtunkhwa.