A 19-year-old man is dead and an 18-year-old man is in hospital with serious injuries following an ATV rollover on Saturday night.

The Humboldt and Lanigan RCMP responded to the scene north of Lanigan High School at around 9:15pm.

Police are not speculating at this time on what may have been the cause of the rollover, which occurred in a field.

An investigation is ongoing.