Footage of the blast showed flames engulfing cars and a thick column of smoke rising from the scene. One civil aviation worker said the explosion shook airport buildings.
Two people have died and at least eight have been injured after an explosion near a major airport in Pakistan, officials have said.
Police and the provincial government said a tanker exploded outside the Karachi Airport – which is Pakistan’s biggest – on Sunday.
The provincial home minister, Zia UI Hassan, told local television station Geo News that it was an attack targeting foreign nationals.
Pakistani separatist militant group the Baloch Liberation Army (BLA) claimed responsibility for the explosion, according to the Reuters news agency.
The group said it was targeting Chinese nationals and was carried out using a vehicle-borne improvised explosive device.
Footage of the blast showed flames engulfing cars and a thick column of smoke rising from the scene.
Rahat Hussain, who works in the civil aviation department, said the explosion was so big it shook the buildings of the airport.
Karachi police deputy inspector general East Azfar Mahesar told reporters that it seemed like it was an oil tanker explosion and said officers were among the injured.