The Ministry of Interior (MoI) in a statement said at least 7 people have been killed and at least 24 others have sustained injuries in the attack.
Kabul police spokesman Hashmat Stanikzai had earlier said the attack was carried out by a suicide bomber riding a motorcycle.
Stanikzai further added that two people have been have been killed and 9 others have sustained injuries, citing preliminary reports.
Another source had earlier said the attack has left at least four dead and at least 17 others have sustained injuries.
No individual or group has so far claimed responsibility behind the incident.
This comes as the Kabul Garrison Command had earlier warned that the anti-government armed militants are attempting to carry out attacks to target those celebrating the Week of Martyrs.