[Updated at 11:49 a.m.] Three young boys were killed and two were injured in a bombing Wednesday evening in northwestern Pakistan, police told CNN.

A roadside bomb was planted near a madrasa, or a religious school, said Muhammad Karim Khan, a senior Peshawar police official said.

Khan said initial information indicated that the victims were madrasa students and between the ages of 15 and 20 years old.

The incident occurred in the area of Dawar Bagh, around 30 kilometers, or more than 18 miles, southeast of Peshawar.

[Posted at 10:55 a.m.] At least three people were killed and two others injured Wednesday in an explosion in Peshawar, Pakistan, police told CNN.