Security sources confirmed that the incident has taken place in the vicinity of the 18th police district of the city in Pul Khushk area.
The sources further added that a magnetic bomb planted in a police vehicle went off, leaving a police officer wounded.
No individual or group has so far claimed responsibility behind the incident.
This comes as at least 40 people were killed in a suicide attack targeting an educational center in West of Kabul city few days earlier.
The United Nations Assistance Mission in Afghanistan (UNAMA) said Saturday that the Mission has now verified that 40 students were killed and 67 others were injured, the majority of whom were young women and men, in the deadly attack targeting an educational center in Kabul.
UNAMA in a statement said facts in the incident have now become clear. On the afternoon of 15 August, a suicide attacker walked into the Mahwood Education Centre and detonated an explosive vest in a classroom crowded with students who were preparing for their university entrance exams. The majority of those killed and injured were 16 to 20 years old.