President Asif Ali Zardari has reaffirmed the unwavering commitment to rid the country of the scourge of terrorism.In a statement, condoling the martyrdom of four soldiers of Pakistan Army in South Waziristan, he said the nation stands by their valiant security personnel.The President said the security personnel risked their own lives to eliminate Khawarij.He prayed for the elevated status of the martyrs and grant of patience to the bereaved families.Source: Radio Pakistan