Afghanistan, Aug. 18 -- A suicide-bomb blast ripped through a wedding party on a busy Saturday night in Afghanistan's capital and dozens of people were killed or wounded, a government official said. More than 1,000 people had been invited, one witness said, as fears grew that it could be the deadliest attack in Kabul this year.

Interior Ministry spokesman Nusrat Rahimi told The Associated Press the attacker set off explosives among the wedding participants. Both the Taliban and a local affiliate of the Islamic State group carry out bloody attacks in the capital.

The blast occurred near the stage where musicians were and "all the youths, children and all the people who were there were killed," witness Gul Mohammad said. One of the wounde...