Saturday, August 21, 2021- Quint 52 (6) operated as the first due truck in Upland, last night. Engine 39 arrived to find a 3 story occupied twin with fire showing. Quint 52s inside team completed the primary searches on the fire floor and floor above. All searches negative. Chief 57 had Upland Command. Squad 52 (4) was the 3rd due engine with a secondary hydrant. Rescue (3) and Engine 52 (4) were also on scene. Units operated for 1 hour and 30 minutes.