On June 4th at 1251 hours Chief 7 (Lankford), Chief 7A (Richman), Chief 7B (Schooley), Safety Officer 7A (Stockton), Engine 71 (Safety Officer DeVries) and Ambulance 79 responded mutual aid to the 2100 block of S. Solomons Island Road for the report of a building collapse (204 box). Units from Prince Frederick arrived to find a vehicle into a building with several injured patients. Units from St. Leonard assisted the units from Prince Frederick VFD and Huntingtown VFD with securing the building and patient care. Units from St. Leonard operated for 1 hour.

While the crews from St. Leonard operated on this incident additional crews handled a first due motor vehicle collision a medical local as well as participated in a stand-by at Children's Day on the Farm at Jefferson Patterson Park.