Police are looking into an evening house fire in Alliston.

Nottawasaga OPP were called at about 7:20pm last night to the house along with New Tecumseth Fire Department and Simcoe County Paramedics Services.

They say when they got there the home was fully engulfed in flames.

One woman was rescued from the home and taken to hospital before being air lifted to Toronto.

The Ontario Fire Marshall was called about the fire and showed up today to help with the investigation.