We did what we had to in war on terror:
Chief of Army Staff Gen Pervez Ashfaq Kayani said that the army has done what had to be done in the war on terror, and now it is up to civilian government to control the situation.
President Barack Obama said the US is at war with a 'network of violence and hatred' and vowed to defend the nation from terror after a suspected terrorist attempted to blow up an airliner on Christmas Day.