At 2:43 a.m. this morning, Chatham Kent police responded to an ATV collision on Block Line east of Victoria Road.
Preliminary investigation has revealed that the man was riding his ATV southbound in a field when he crossed Block Line and struck the ditch embankment approximately six kilometers south of Thamesville.
The 21-year-old Sarnia man was pronounced deceased at the scene.
The collision remains under investigation. Anyone with information is asked to contact Constable Doug Cowell at dougc@chatham-kent.ca or 519-355-1092.