The Mankato Department of Public Safety reported that $20,000 worth of damage was caused in a house fire in Mankato on Wednesday morning. Firefighters were dispatched to a fire inside a single-family home on Ramsey Street at 5:11 a.m. Firefighters were able to extinguish the fire. A 22 year-old male was evaluated by paramedics; however, there were no injuries treated. The cause of the fire is unknown and under investigation.