Huron County Ontario Provincial Police have deemed the Clinton fire an arson and have arrested and charged a 47-year-old man for his alleged involvement.

READ MORE: Fire chief says stretch of buildings hit by fire 4 times as crews continue to fight blaze in Clinton

Investigators said they have reason to believe that the fire was set deliberately.

Ronald Davis of Central Huron has been charged with a string of offences including arson, disregard for human life and failing to comply with a probation order.

Officials said Albert Street between Huron Street and Rattenbury Street in Clinton will remain closed for the next couple of days.