KARACHI, Pakistan (AP) — A massive blast outside Karachi Airport in Pakistan on Sunday injured at least eight people and destroyed several vehicles, officials said. Police and the provincial government said a tanker exploded outside the airport, which is Pakistan’s biggest.

A tanker explosion outside Karachi Airport killed two Chinese workers and injured at least eight, including Pakistani casualties. Authorities suspect a targeted attack against foreigners, calling it a terrorist act.

Two Chinese nationals have been killed and at least 10 people injured in a suspected suicide attack near Karachi airport in Pakistan. A third body, not yet officially identified, is thought to be that of the attacker, the BBC understands.