Chicago is about to suffer one of the world's worst urban disasters. Track the path of the fire and read accounts of people who lived through it, in this interactive timeline and map. 1.

A massive fire destroyed a magnesium plant overnight in Chicago's south suburbs. The fire started around 11:30 p.m. Wednesday at the Chicago Magnesium Casting Company foundry at 14101 Seeley Ave.

Chicago Fire Season 13, Episode 16 debuted Wednesday night on NBC. Here's a full recap of the new episode called In The ...