Station 15 was alerted to assist Stations 3,6,12 on a Residential Fire on Stewarts Lane. Command 3 arrived on scene and advised vacant structure fully involved with access to the structure blocked due to the surrounding field on fire. Engine 15-4 made the response with a crew of 3. Engine 15-4 arrived on scene at 20:24 and assisted with fire suppression activities. During this incident Station 15 was also alerted for another assist for Christiana on a L3*Gas Leak Commercial Structure at the Burlington Coat Factory in University Plaza at 20:15 hours. Rescue 15 made the response with a crew of 3. Situation was placed under control at 20:35 hours by command. Responding Units: 15-4, Rescue 15