Jacksonville Fire and Rescue and the State Fire Marshal are investigating what they call a suspicious house fire in Northwest Jacksonville early Thursday morning.

Just after 5 a.m., firefighters were dispatched to a home on 1569 West Eighth St. near Whitner Street in reference to a house fire.

When firefighters arrived, flames were seen coming from the back of the house, according to JFRD.

Authorities said the house was empty and unoccupied at the time of the fire.

No injuries were reported.

JFRD said the house fire was suspicious in nature and the State Fire Marshal will investigate the cause of the fire.