The explosion occurred around 10:40 pm. Local time (13:40 CET) in the Shahr-e-Dubai wedding hall in the capital, said the spokesman of the Interior Ministry Nasrat Rahimi.
Among the victims are dead, Rahimi said, though he had no exact numbers.
"When I came outside, I saw smoke from the hall, I saw bodies and injured people brought to hospitals by Kabul police and ambulances, we are too shocked, too upset about the incident."
No further details about the explosion or losses were available immediately.