Attackers have reportedly fled the spot: Pakistan media reports.
At least five militants are involved in the attack. The attackers were reportedly tried to destroy planes, said Pakistan media reports.
IG of Sindh Iqbal Mehmood says that 1,000 police officers have been sent to the attack site: Pakistan media reports.
An academy run by the Pakistani Airport Security Force, a unit tasked with protecting the Karachi airport, came under fire on Tuesday, Pakistani news channels and a security source said.
“The ASF academy is under attack. There is gunfire. The extent of the damage is not clear,” said a senior official at the Federal Investigation Agency, reported Reuters.
The Dawn reported that the terrorists fired upon an ASF camp number 2, located at ASF academy in Bitai Abad, Pehlwan Goth in Karachi.
The camp is located near 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, said Dawn.
The paper said four gunmen were seen entering the camp.
Flights at Jinnah International Airport have been suspended.
This attack took place within a day of an audacious strike Sunday night at the Karachi airport, killing 20 people and 10 militants.