No immediate claim of responsibility for the explosion on the second day of the temporary ceasefire agreed between the government and the Taliban.
At least 12 people were killed and others injured in an explosion at a mosque on the outskirts of the Afghan capital, Kabul, police said.
The explosion during Friday prayers in Shakar Dara district occurred on the second day of a three day ceasefire agreed between the Afghan government and the Taliban on the occasion of the religious holiday of Eid al-Fitr. There was no immediate claim of responsibility.
Kabul police spokesman Ferdaws Faramarz said explosives had been placed inside the mosque beforehand, adding that authorities had opened an investigation.
An image circulating on social media showed three bodies lying on the floor of the mosque, where there appeared to be minor damage.
The explosion occurred a day after at least 11 people were kill in four separate incidents across Afghanistan that shattered the relative calm of the ceasefire agreed between the government and the Taliban.
Although no direct fighting was reported between the two warring parties as they observed the temporary ceasefire, roadside bombs continued to claim civilian lives.