<|begin_of_text|><|begin_of_text|><|begin_of_text|>CHICAGO -- A three-year-old boy died after a fire swept through his South Side home Sunday, police said.
Firefighters arrived at the three-story building on the 6700 block of South Dorchester Avenue two minutes after receiving calls<wm> to reports of the fire, but 41 minutes and 41 seconds had passed before any medical personnel could respond.
Fire officials said that over 100 units were initially reported damaged, with most of the rest of the city still holding but with "undetectable damage."
One firefighter said that fire officials were still assessing damage.
"It was a devastating scene, it's unacceptable," said Fire Department Commissioner Michael Johnson. "If that kid didn't have anyone he'd still be here today because of the delay</wm>."
"We're cooperating fully, with the city, the federal government," said Police Superintendent David Brown of