At least 13 people were wounded in an explosion that targeted a bus carrying dozens of passengers in the city of Charikar, 63 kilometers north of Kabul in Parwan province, police confirmed. 

The blast happened in Charikar’s District 2 at around 3:30 pm Afghanistan time on Sunday, police said.

Police said three of the wounded are in critical condition.

Parwan police spokesman Salim Noori said women and children were among the wounded. 

Details are still not available about a blast that occurred in Bagram district of Parwan on May 29 that targeted a bus carrying university lecturers, killing four people.

No group has claimed responsibility for Sunday's attack.