A 19-year-old has died one week after an ATV crash in Amaranth Township.

Police say the crash happened on Oct. 14th around 4 p.m. on the Mono-Amaranth Townline near Shelburne.

The OPP says the victim was airlifted to a Toronto trauma centre and has since died. Two other riders went to hospital with minor injuries.

The cause of the collision is still under investigation.