A fire over the weekend caused approximately 15-thousand dollars in damage to a single-family home at 121 Jaybee Lane in Mankato.

Mankato Firefighters responded to the blaze around 3 a.m. Saturday quickly extinguished the fire, according to the report. Authorities say the detectors in the home did not work but four people in the residence were able to exit safely.

The cause of the fire is still under investigation.