At approximately 1300 hours on Friday, January 4, Squad 23 was alerted as part of the structure fire assignment to the 100 block of Lenni Court for the report of a propane tank on fire with exposures. The Squad arrived first to find a 500 gallon underground propane tank, with fire from the stem. The crew, along with Engine 12’s, stretched two lines as a precaution until the situation could be placed under control. Units operated for approximately 2 hours before clearing.