Reports indicate that a bomber has attacked a NATO-led convoy, killing at least Eighteen people and causing huge casualties among NATO soldiers and at least 30 peoples were injured on Wednesday morning in Afghanistan southeastern Khost province.

The attack took place at 11:30am near the Spin Jumat area of Khost City, the provincial capital, an official said.

Up to 11 dead bodies and 16 wounded people have been brought to the Khost Civil Hospital, Dr Majid Mangal, the hospital director, told Pajhwok Afghan News.

A doctor at the Rahman Baba Hospital, Malik Mir, also confirmed receiving seven bodies and 14 injured people at the private medical facility.

Two policemen were among the dead and three others among the wounded, he said, adding that some of the injured were in critical condition.

Afghan and foreign people were busy taking retinal scans and fingerprints when the explosion occurred, said the provincial police chief, Brig. Gen. Sardar Mohammad Zazai.

The casualties are reported to include Afghan civilians and Afghan security forces as well as foreign troops.

A spokesman for the International Security Assistance Force, Major Martyn Crighton, said the blast also led to "some casualties" among NATO soldiers, but was unable to say whether they were dead or wounded.

There were conflicting reports about whether the bomber was on a motorcycle or driving a car. Witness Rafiullah claimed seeing two Afghan policemen and six US soldiers lying on the ground. They were bleeding, he said, giving no further details.