Three injured in a flash fire at a Chicago substation
USA, Chicago: Three people were injured in a flash fire at the Chicago Transit Authority substation powered by ComEd.
According to the Chicago Fire Department, the fire took place when an arc flash relayed to a power transformer, sparking the blaze, reports NBC 5 Chicago.
At least three people working in the building were injured in the incident.
Authorities are investigating the incident.
Source: NBC 5 Chicago