Karachi, Pakistan (BBN)-The Tehreek-i-Taliban Pakistan (TTP) Mohmand faction claimed responsibility for the fresh attack near the Karachi airport.

Heavy firing was reported at the ASF camp in the metropolis on Tuesday after unidentified men entered the premises.

DawnNews reported that explosions were also heard, causing panic among citizens in the vicinity.

Initial reports suggest that the number of attackers could be between four and seven.

Attackers managed to flee as a heavy contingent of security forces reached Airport Security Force (ASF) camp number 2, which came under a fresh attack on Tuesday, DawnNews reported.

Flight operations resumed after being temporarily suspended.

A security sweep and search operation is underway at the ASF academy, which is located in Bhitai Abad, Pehlwan Goth.

Deputy Director General ASK, Colonel Tahir Ali said the airport is secure at that operations have resumed.

He said that two attackers opened fire near the ladies hostel near D gate, which is located behind the ASF camp.

"The ASF checkpost is about 100 metres from the scene. We were informed of the incident by our sentry posted there," he said.

The Director General of Rangers has reached the site to oversee the operation.

The camp is situated near the Jinnah International Airport which the Civil Aviation Authority (CAA) had cleared on Monday after a long battle between security forces and terrorists left 28 dead.

A Twitter account allegedly operated by Omar Khorasani of the Tehreek-i-Taliban Pakistan (TTP) Mohmand faction tweeted on Tuesday that the group has carried out this second attack.

BBN/ANS-10June14-3:00pm (BST)