Security sources confirmed that the blast has taken place in the 5th police district of the city in Kote Sangi area.
The sources further added that a police vehicle was targeted in a magnetic bomb explosion and as a result three people were wounded.
This comes as several people were killed or wounded in a suicide attack in near Polytechnic University in Kabul earlier.
The Kabul police commandment officials confirm that 7 people were killed and at least nine others were wounded in a suicide attack in Kabul city today.
A spokesman for the Kabul police commandment Hashmat Stanikzai said at least seven people including a policeman were killed and nine others were wounded.
Stanikzai further added that two policemen were among those wounded in the attack.
Acccording to Stanikzai, the incident took place at around 11:30 am local time after a suicide bomber detonated his explosives near the entrance of Loya Jirga camp where a large gathering was underway.
However, another security official says at least 14 people were killed and 17 others were wounded in the attack.