WINDHAM — A motorist who struck an 11-year-old boy while driving around a school bus faces three counts.

A Cumberland County grand jury indicted 23-year-old Ryan Boucher of Lewiston on charges of aggravated assault, reckless conduct with a dangerous weapon and passing a stopped school bus.

Windham police said the bus was stopped with its yellow lights flashing on the morning of the incident on Dec. 22.

Police said the victim, Xin Lao Chen, was taken to Maine Medical Center for treatment.