On Sunday April 13th, Engine 66 and Quint 66 (Voorhees) were dispatched to 120 Britton Place (YMCA building) for the alarm system. Police on location reported smoke from rear of the building, the assignment was then upgraded to a building fire. Interior crews located a fire in an office near the indoor pool and quickly extinguished the fire. Command requested the services of MVU1 for ventilation of smoke and CO inside the building. MVU1 responded under the command of Captain John Young and arrived on location in about ten minutes. MVU1 operated for approximately an hour after being told that the CO level have dissipated along with the smoke condition. Soon after, MVU1 was released. No injuries were reported, and the fire is under investigation.