Three people were killed and 18 injured in a suicide attack in Kabul city Sunday afternoon.

According to officials the suicide bomber was on foot and targeted a mini bus transporting staff from the Attorney General's Office.

The attack happened at about 16:30 in Dar-ul Aman Road in the city.

The AG's office was also the target of last week's suicide attack which resulted in the deaths of two civilians.

The Taliban has claimed responsibility for the attack.