O’FALLON, Mo. – An investigation is underway after a driver fatally struck a child Friday morning in O’Fallon.

The O’Fallon Police Department reports that a nine-year-old boy died in the collision. His identity has been withheld at this point of the investigation.

The collision happened around 11:45 a.m. near the intersection of Harmony Lane and Vine Street.

First responders attempted life-saving measures upon arrival. The victim was rushed to hospital for treatment, where he was later pronounced deceased.

The O’Fallon Police Department says the driver remained on scene after the collision and is cooperating with authorities. Police say the driver was a 19-year-old from St. Louis County.

O’Fallon police ask anyone who might have surveillance video of the crash or witnessed it to contact their department with any relevant information.

The O’Fallon Police Department added this statement in a news release:

“The O’Fallon Police Department would like to extend or sincerest condolences to the family of the juvenile victim. We are committed to taking action to prevent any future incidents through education and enforcement. Traffic and pedestrian safety are top priorities of the O’Fallon Police Department, and we urge all residents to use caution and be on the lookout for pedestrians, cyclists, motorcyclists, and other motorists when operating a vehicle.”

Neighbors tell FOX 2 that the child was riding a bicycle at the time of the crash and visiting family members from out-of-state. Investigators have not yet confirmed this information.

This is a developing story. FOX 2 will update as more information becomes available.