At least four Chicago firefighters were injured, three seriously, battling a South Side fire in a vacant building Thursday, Chicago fire officials said.
A person of interest is in custody in connection with a burning cross found in Grant Park last week, Chicago police said.
Charges have been dropped against two suspects in the death of Chicago firefighter Jermaine Pelt.
Chicago police released new photos of a "person of interest" seen fleeing the scene of burning a cross in Grant Park.
Video captured a burning cross in downtown Chicago's Grant Park on Tuesday afternoon.
Six people were hospitalized after a fire broke out on Chicago's Northwest Side on Monday evening, officials said.