A home in Lake Crystal was destroyed by a fire overnight Thursday. The blaze at the Van Rooyen home on 185th street southwest of Lake Crystal was reported at around 11:30 Thursday night. It is unknown how many people were in the home at the time. One firefighter was hospitalized for back injuries while battling the fire, but there were no other injuries reported. Crews from Madelia and Mankato were called in for mutual aid. The fire rekindled early Friday morning as well, and Lake Crystal Firefighters were back on the scene. The cause of the fire remains under investigation.