This was reported by AFP with reference to the medical services of Kabul.

#BREAKING Massive blast hits Kabul wedding, at least 20 wounded: hospital pic.twitter.com/V7WsdmK4kI

- AFP news agency (@AFP) August 17, 2019

Earlier in Kabul there was an explosion at a wedding.

On July 5, five people died in an explosion at a wedding in the Afghan province of Nangarhar.