The incident took place close to Abdul Haq Square and intial reports indicate that a magnetic mine was used.
A Ministry of Defence vehicle was also damaged in the explosion, local media reports.
Social media photos showed a plume of smoke rising from the site.
No group has claimed responsibility for the incident.
In the early hours of the morning, there were also reports of clashes in Islatif district on the outskirts of Kabul.
Source : Afghan Voce Agency(AVA)