Chicago firefighters were responding to a large fire Tuesday afternoon in an apartment building in the Chatham neighborhood.

Firefighters responded to a fire in the 7900 block of South Calumet Avenue in Chicago's Chatham neighborhood around 4:30 p.m.

Chicago firefighters are battling a large fire at an apartment building on Chicago's South Side Tuesday evening.

Chicago police Arson Section detectives said Monday morning that an apartment fire in the South Side's Chatham neighborhood may have been intentionally set.

Officers responded to the apartment fire around 11:35 p.m. Sunday in the 8000 block of South Eberhart Avenue, Chicago police said.