The incident took place in Kart-e-Seh area in west of Kabul city near Sara-e-Ghazni area.
Preliminary reports suggest the explosion took place as a result of a suicide bomb blas and the target of the bomber was a vehicle convoy of the Afghan army.
In the meantime Gen. Zahir Azimi, spokesman for the Afghan defense ministry said the incident took place after a vehicle carrying Afghan army officers was targeted.
He said only 6 Afghan army officers have reportedly been injured following the blast and there no are reports if army officers were also killed following the blast. He also did not disclose further information if the explosion took place due to a suicide bomb attack.
Afghan interior ministry spokesman Sediq Sediqi confirming the report said at least 8 people were injured following the blast.
Mr. Sediqi further added the suicide bomber detonated his explosives in the sixth district of capital Kabul city and he was looking to target the vehicle of the Afghan army officers.
He said at least 6 Afghan army officers were injured along with two other Afghan civilians.