A massive blast ripped through the Federal Investigation Agency (FIA) damaging it considerably. The powerful blast has reportedly left a crater apart from damaging nearby buildings.
The blast was also heard from quiet a distance and now the thick smoke engulfs the sky.
Local police informed that the terrorist blew himself up at the entrance of building when the security guard stopped him.
Few people are said to be trapped inside the building. Rescue operations are on.
Those injured in the blast as well as those being rescued from under the rubble are being rushed to nearby hospitals.