Khyber Pakhtunkhwa: Twelve security personnel and six terrorists were killed as a suicide bomber rammed an explosive-laden vehicle into a joint check post in Pakistan’s northwestern Khyber Pakhtunkhwa province, the army said on Wednesday. The terrorists attempted to attack a joint check post in the general area MaliKhel in Bannu district late on Tuesday night but their attempt to enter the post was effectively thwarted by troops, the Inter-Services Public Relations (ISPR), Army’s media wing, said.