An update is being provided on the structure fire that took place in Oxford Mills Township. 

On Sunday, around 6:15 p.m., officers from the Grenville County OPP were called to assist the North Grenville Fire Service with a fully engulfed, residential house fire, located on Stone Road.

Police say four people are currently unaccounted for.

The cause has yet to be determined and the Office of the Fire Marshall is investigating.

If you have any information relating to the incident, you should contact the Grenville County OPP at 1-888-310-1122 or Crime Stoppers at 1-800-222-TIPS.

— With files from Brandon Piper