Fire crews are investigating what sparked a house fire in Glastonbury early Friday morning.

According to authorities, crews were on the scene of a working fire at a home on Hebron Avenue.

Officials say mutual aid was requested. They say the Marlborough Volunteer Fire Department and the Hebron Fire Department responded with tankers to the scene of the fire.

Authorities say that the home looks to be unoccupied.

Hebron Avenue was closed as crews battled the blaze.

There is no word on the cause of this fire at this time.