Blast targeting Kabul mosque leaves 'a number of civilians dead,'

(CNN)An explosion ripped through a crowd outside the entrance of a mosque in central Kabul on Sunday, leaving a number of people dead, a senior Taliban spokesman said.

The blast targeted the gates of the Eidgah Mosque in the Afghan capital, where a funeral service was being held for the mother of Taliban spokesman Zabihullah Muhajid, who tweeted that the blast had claimed the lives of civilians.

It was not immediately clear how many people were killed or injured in the attack, but the explosion appeared to be targeting senior Taliban leadership.

Emergency NGO, an Italian nonprofit that runs a hospital in Kabul, said on Twitter that it was treating four people wounded in the explosion.

Reports on social media described a large detonation and emergency services rushing to the scene.

No one has claimed responsibility for the bombing and the Taliban have not yet announced officially who they blame for the attack.