CHICAGO -- A fire at a warehouse on the Northwest Side has reignited this morning.
Firefighters are chasing hot spots at the building on the 3000 block of north Rockwell in the Avondale neighborhood.
The fire first broke out on the second floor of the three-story building just before 8 p.m. Monday.
A portion of the building houses offices but no one was inside at the time.
The flames caused a portion of the roof and an exterior wall to collapse.
No injuries have been reported.