The fire reignited in a Clove Road home in West Brighton just before 4:30 a.m.
The house, vacant for years, was the site of a three-alarm fire Tuesday night. That fire burned through two other occupied homes, leaving two families homeless.
Video from fire this morning:
447, 449, and 451 Clove Road in West Brighton broke out in flames around 9:15 p.m. Tuesday. 447 and 449 are two-story occupied homes, while 451 is the vacant home.
No residents were injured Tuesday, although a cat died. Four firefighters sustained minor injuries. Two displaced families were assisted by the Red Cross.
The cause of the original fire is under investigation.