Najib Danish, an Interior Ministry deputy spokesman, said the attack destroyed more than a dozen civilian vehicles parked on the street or passing by in Macrorayan, a Soviet-built housing estate lined with shops, hospitals, and schools.
A suicide auto bomber attacked a North Atlantic Treaty Organisation convoy traveling through a residential neighborhood in Kabul on Saturday, killing at least 12, including three Americans, according to multiple media outlets.
The bombing killed a minimum of 11 Afghan civilians and one foreigner and wounded 66, stated Wahidullah Mayar, a Well being Ministry spokesman.
Two back to back explosions rocked capital Kabul late on the same day which left at least 27 police recruits dead along with a North Atlantic Treaty Organisation service member and 8 contracted civilians of the Resolute Support mission. However, the prospects of a deal are seen as slim after the extremist outfit recently confirmed its leader, Mullah Omar had died two years ago.
A man from Maine was among 12 people killed by a suicide auto bomber in Afghanistan Saturday.
The three worked for a private military contractor based in Virginia.
An Afghan medical official said one of the contractors was a US citizen.
No group instantly claimed duty for the assault.
No group immediately claimed responsibility for the blast, which struck outside a civilian hospital as Taliban insurgents escalate their annual summer offensive against the US-backed Afghan government.
It was believed to be the worst loss of American life in a single episode this year in Afghanistan since U.S. forces have mostly withdrawn, leaving less than 10,000 soldiers.
Personnel at the nearby Shinozada Hospital were among those wounded by glass.
Afghan Taliban spokesman Zabihullah Mujahid denied any involvement in the attack.