Several people have been killed after a car bomb targeting a US convoy exploded in Kabul.
Four American service members were injured in the incident.
It's the second attack in the city in two days.
On Thursday a suicide attack outside a military training school killed at least six people.

UN chief calls New START treaty expiration 'grave moment'
Pakistan military says it concludes week-long fight against Baloch separatists
One dead, one missing as Storm Leonardo batters Portugal and Spain
Freezing rain causes cancellations, delays at Berlin airport
