Confirming the incident, the spokesman of Herat governor said that the incident took place at around 5:00 PM (Local Time) near a mosque.
According to sources, women and children were also among the dead and wounded people.
The source added that the explosive devices were attached to a tricycle and blew up when children came out of the mosque.
None of the armed groups including the Taliban and the Daesh have claimed responsibility behind the incident so far.
The story will be updated as soon as new details become available.