Some reports suggest the main target of the incident was the Police Academy of Ministry of Interior near Poly Technic university of Kabul in Afshar Street.
There are no details on the casualties of the incident yet.
However, some un-certified reports say 45 Police Academy students were killed and more than 100 were wounded in the incident.
This is the second suicide attack taking place in a single day in Kabul.
Early hours of today__ Friday__ a powerful car bomb exploded near Shah Shahid district of Kabul, killing 10 civilians and wounding more than 400.