(KRON) -- The Fremont Fire Department is investigating a fiery blaze that broke out early Halloween morning on Lockwood Avenue.

FFD said fire crews responded to the flames just after 2 a.m. Friday at a single-family home to "find active fire conditions throughout the residence." • Photo courtesy of Fremont Fire Department. • Photo courtesy of Fremont Fire Department. • Photo courtesy of Fremont Fire Department. • Photo courtesy of Fremont Fire Department.shot • Photo courtesy of Fremont Fire Department.

Fremont Fire said all four residents had escaped the home before they arrived and were taken to a nearby hospital in stable condition.

The origin and cause of the fire have not yet been determined.

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