Sonneborn officials probing cause of explosion at plant
PETROLIA — A spokesman for the Sonneborn plant said officials are continuing to investigate what caused an explosion in the hydroplant around 1:30 p.m.
Anita Oroczo, director of human resources for the company, said cause of the blast is not yet known.
She said that two workers sustained minor injuries.
Firefighters from multiple communities had the fire under control by 3:30 p.m.
