An Interior Ministry official told TOLOnews that the explosion took place near the Mosalla-e-Mazar area in Police District 6.
Meanwhile, Afghan Public Health Ministry spokesman Wahidullah Majroh told EFE news that the toll could rise.
The gathering, which was attended by senior government officials, marked the death anniversary of Islamic Unity Party of Afghanistan's former leader Abdul Ali Mazari.
No group has claimed responsibility of the attack.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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