A Los Angeles explosion melted firefighters' helmets and set their coats on fire. 4 responders are in the ICU
By Christina Maxouris, Holly Yan & Paul Vercammen
11 Firefighters Escape Through Ball of Fire in Explosion at Downtown LA Building
By Shahan Ahmed & Darsha Philips
11 firefighters hurt in downtown L.A. explosion that caused fires at several buildings
By Ben Welsh & Liam Dillon