Mishawaka fire update: Residents report explosions as videos capture massive blaze

A massive fire is burning at a business in the 500 block of E. Marion Street in Mishawaka, Indiana.

Residents reported hearing explosions and shared videos and photos of the blaze on social media.

One resident identified the business as Inserv on Facebook, and another noted a power outage on Lawrence Street.

Some residents expressed concern that the fire might involve hazardous waste at Inserv, suspecting a chemical fire.