(KMOV) -- Three people were injured after a fire at a plant in the Metro-East.
It happened around 9:00 a.m. on Monday at the Abengoa Plant in the 300 block of Bissell St. in Madison, Illinois.
Two people were transported to Gateway Medical Center. No word on their condition. A third worker was transported in serious condition to St. John's Medical Center.
OSHA is investigating. Authorities said workers were doing maintenance when the explosion occurred.