3 workers hurt in fire at Chicago Loop electric substation

CHICAGO (AP) - The Chicago Fire Department says three workers were hurt while doing electrical work on a substation in downtown Chicago.

Fire officials say two workers were in critical condition at hospitals with serious burns after the Tuesday morning incident. A third worker was in good condition.

Officials say the workers were doing maintenance on a ComEd substation associated with the Chicago Transit Authority about 11 a.m. Tuesday when a panel from a transformer was blown, causing a flash fire.

ComEd says about 500 customers lost power. CTA service wasn’t affected. The incident is under investigation.