Pakistani president's office: 'President Asif Ali Zardari has signed off on the Prime Minister's advice regarding the security situation in Khyber Pakhtunkhwa. Under Articles 232 and 234 of the Constitution of Pakistan, the President has signed after accepting the Prime Minister's advice. Following the federal cabinet's decision, the Prime Minister's advice, reports from relevant institutions regarding the law and order situation, and the failure of negotiations with government delegations, the President has signed the summary'