The sound of an explosion was heard close to Polytechnic University in Kabul where a large gathering of religious scholars is underway.

The Kabul police commandment officials confirmed that a suicide bomber detonated his explosives near the Loya Jirga camp as hundreds of religious scholars were leaving the gathering.

Kabul police spokesman Hashmat Stanikzai said at least seven people were killed and nine others including policemen were wounded in the attack.

Another security sources says at least fourteen people have been killed and nearly twenty others have sustained injuries in the attack.

The Ministry of Interior spokesman Najib Danish had earlier confirmed that six people were killed and six others were wounded in the explosion.