Investigators are probing an early morning fire in East Gwillimbury that destroyed a building.

Large flames could be seen lighting up the night sky in the area of 22311 Leslie St. on Wednesday.

The fire was reported to York Regional Police at around 2:30 a.m. They say no one was found and the building has been abandoned for quite some time.

East Gwillimbury fire investigators are still searching for a cause, but are considering it suspicious.