Nine people were killed and dozens more injured when the five-alarm fire broke out before 10 p.m., and some trapped residents were seen hanging out of windows and screaming for help.
The fire is suspicious in nature," Dolton Deputy Fire Chief John Calhoun said, as authorities investigate whether the blaze is linked to ongoing political tensions.
Investigators are seeking four teenagers linked to a brush fire in Riverside, which ignited after witnesses saw them setting off fireworks, highlighting rising enforcement against illegal activities.
"In dog years, Sherlock is 100 years old, so it's only fitting for him to hang up his boots now and take a well-earned break. He'll enjoy a relaxed retirement filled with naps on the sofa, his favourite walks and plenty of belly rubs."