President Asif Ali Zardari and Prime Minister Syed Yusuf Raza Gilani on Monday strongly condemned the suicide attack on the office of a security agency in Lahore . The two leaders in their separate messages expressed their deep shock and grief over the sad incident in which several personnel and civilians were killed. They expressed their resolve not to be deterred by such acts of violence and vowed to continue the fight against terrorism till its logical conclusion. The two leaders conveyed their grief to the bereaved families and directed best possible treatment for the injured. They also sought an enquiry into the incident and directed the provincial authorities to investigate and submit a report.