Other - Retail, Retail Gaylord, MI – Sprinkler system assists firefighters in containing fire at fireworks store July 7, 2016 viking210 Fire crews in Otsego County had to rush to save a fireworks store after a fire ignited overnight. The Otsego County Fire Department says the fire started just before midnight in Gaylord. The Otsego County fire chief says if they didn’t have a sprinkler system, the result could have been much different. Crews were able to contain the fire in about a half an hour Tuesday night.