The Islamic State terror group has claimed responsibility for the attack in Kunduz, the capital of the province of the same name in northern Afghanistan.
According to the Afghan state news agency Bakhtar News, 46 people were killed and 143 people were injured. Health authorities told Reuters news agency the death toll could go up to sixty to seventy victims.
These images show clothed dead:
The victims are among the Shiite minority in Afghanistan. At the time of the explosion, it was very busy in the mosque due to Friday prayer.
S Afghan department, IS-K, has committed multiple attacks in Afghanistan in recent weeks, including one at a mosque visited by members of the Taliban.
IS-K sees the Taliban and Shiite minority in Afghanistan as its enemies. IS-K was also responsible for the attack at Kabul Airport in August, just before the Western forces left Afghanistan.