Police are investigating after at least one person was injured during a rollover crash on a Highway 401 off-ramp in Chatham.

The Ontario Provincial Police reported the single-vehicle collision at the Bloomfield Road off-ramp at around 5 p.m. on Monday.

It is currently unknown how many people were hurt in the crash but police said all reported injuries were non-life threatening.

The off-ramp will be temporarily closed while emergency crews clear the scene.

CKXS News will provide more information as it becomes available.