Authorities have announced the ages of the three children and one young adult who were killed on April 28 when a person struck them with a vehicle in Chatham.

Two 7-year-olds, an 8-year-old, and an 18-year-old were killed, Illinois State Police said in a news release Tuesday morning.

Six additional children were taken to area hospitals, and one remains in critical condition, police said.

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“This does not appear to be a targeted attack,” ISP wrote, and that the cause of the crash remains under investigation.

The driver, whose identity has not been released, was uninjured but transported to a hospital for evaluation, according to an earlier release.

Tom Ackerman covers breaking news and trending news along with general news for the Springfield State Journal-Register. He can be reached at [email protected].