The North Mankato Fire Department was called to a residential  structure fire in single-family dwellings at 809 South Avenue.

The residents of the home discovered the fire. Emergency crews arrived to find heavy smoke  coming from the front and side door. Firefighters extinguished the fire, and there was heavy  damage to the main level and moderate damage to the second level. There were no injuries.

The North Mankato Fire Department was on scene for approximately three and a half hours and was assisted by North Mankato Police Department and Mayo Ambulance. South Avenue was  temporarily closed for emergency crew access to the fire hydrant supply line.

The case remains under investigation by the North Mankato Fire Department and MN State Fire  Marshal’s Office.