PESHAWAR: Security forces on Thursday closed the regional office of the National Database and Registration Authority (Nadra) situated in Peshawar's Hayatabad area after intercepting calls between suspected terrorists.

The data of 30,000 invalid Computerised National Identity Cards (CNICs) is also present at the Nadra branch. Moreover, law enforcement agencies utilise the office's services for identification of arrested suspects and individuals involved in terror activities.

According to security officials, calls were intercepted of suspected terrorists pointing towards a possible attack at the Nadra office.

A Nadra official, on the condition of anonymity told DawnNews that security forces sealed the office and asked the staffers to leave until further orders.

According to a security official, who asked to remain anonymous, suspected suicide bombers have entered Khyber tribal agency and Peshawar and may target government and security installations.

Due to the intelligence received regarding suspected terror activities, Friday prayers were held an hour earlier under heavy security in Khyber Agency.

Security has been beefed up in Khyber Agency and security forces have started active patrolling in the region to counter any threats.