According to sources, around 10 terrorists stormed into the PNS Mehran building. They exploded 5 bombs and opened indiscriminate firing. Pakistan Naval commandoes have started backlash against the attackers.
Law enforcement agencies and rescue teams have arrived at the scene and state of emergency has been declared in all Karachi hospitals.
There are reports that several PAF planes have suffered damage due to explosions.
It is pertinent to mention here that the Pakistan Tehreek-e-Insaf is staging a sit-in in Karachi at Netty Jetty Bridge. A large number of PTI workers along with PTI Chief Imran Khan are participating in the sit-in against the US drone attacks in the tribal areas of Pakistan.