Suspected terrorists attacked a UN vehicle in Tank district of Pakistan on Tuesday.

No one was injured in the incident.

Around seven militants opened fire on the unmarked, armoured vehicle, reported Dawn News.

Two staff members belonging to the  United Nations Office For Project Service  were present in the vehicle when it was attacked.

"They had no armed escort and no UN logo on the vehicle” a police official told Dawn News.

Pakistan is witnessing a spike in terror attacks in recent times.