UPDATED:

A 16-year-old who was involved in an ATV rollover in Niagara-on-the-Lake March 13 has died of his injuries.

The teen, from St. Catharines, was found pinned under an ATV in the early morning hours and was without vital signs when paramedics arrived.

Niagara Regional Police continue to seek security videos that might help them learn what happened to the teen.

In a news release March 13, police said they arrived on scene at about 12:35 a.m. near Garrison Village Drive and Village Road, where the teenaged driver was found pinned under an ATV in critical condition.

"The male was wearing a helmet but was suffering from life threatening injuries," police said in a news release.

Niagara EMS spokesperson Bryce Brunarski said paramedics and NOTL firefighters treated the teen at the scene and transported him to a Niagara hospital. He was later flown by Ornge air ambulance to an out-of-region hospital for further care.

Police said the ATV involved, a yellow Suzuki King Quad 700, "sustained considerable damage" from the incident.

Neighbours in the area told a reporter they saw the flashing lights from emergency vehicles, but did not go out to see what happened. Many of them had heard the news on social media by the afternoon on Sunday and were upset to learn the young man was badly hurt.

One resident said she often sees ATVs going through the neighbourhood, taking some of the turns at high speeds.

Another neighbour said they've often heard and seen the same ATV riding late at night.

The ATV rolled over into a driveway at 27 Garrison Village Dr., near where the road intersects with Village Drive.