BAUCHI, Nigeria June 3 (Xinhua) -- At least 12 people were killed and several others injured when a suicide bomber attacked a church in Nigeria's northern city of Bauchi on Sunday, witnesses said.

The suspected suicide bomber detonated his explosives at the premises of Harvest Field Church in Yeruwa area of the state.

A Xinhua reporter in the city said he counted 12 dead bodies at the scene of the attack, noting that the church was badly damaged as a result of the attack.

The National Emergency Management Agency (NEMA) spokesperson Yushau Shuaib told Xinhua that the agency had mobilized response agencies on a rescue mission to the scene of the explosion.

Soldiers cordoned off the site of the explosion barring civilians from entering the area.

No organization has claimed responsibility for the blast yet.