A Pennsylvania State Police Fire Marshall investigated a fire that damaged several homes in the 300 blk. of Walnut St. The fire was determined to be caused by accident / electrical in nature. The Columbia Borough Police would like to thank the neighbors and church in the area for assiting with the residents that were displaced by the fire. The fire is a reminder to check and make sure your smoke detectors are working. If you are a resident of Columbia Borough and are in need of a smoke detector please contact the Columbia Borough Fire Department (717-684-5844).