They said the attacker detonated a car filled with explosives
near the parliament building.

The dead included three civilians and one police officer. The
chief of police in Kabul (Esmatullah Daulatzai) said the suicide attacker blew up the car after policemen tried to stop him."A taxi was coming from Dar-ul-Aman toward the city. Then police identified the taxi and tried to stop it and open the door of the taxi, the attacker set off explosives. The attacker and his car exploded into pieces."

At least four people were wounded in the blast.
The attacker's target was not known. It was the third suicide bombing in the Afghan capital this year.