A blast in a mosque during Friday prayers in Kabul has killed at least four people and wounded 12 others.
The initial information indicates that the explosives were placed inside the mosque and were detonated during Friday prayers, Interior Ministry spokesman Tariq Arian said.
He said the imam of the mosque is among the four killed. 
The Afghan Ministry of Interior described the bombing as another crime against the holy sites of the Afghan people.
No organization has claimed responsibility of the attack so far. 
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