0111 hours – Box Alarm – Elmhurst & Linwood, fire reported in a vacant dwelling, Central has no address. Engines 17, 35, 42, Ladder 17, Squad 5, Chief 5. Engine 40 picked up from another run and arrived on scene reporting they will be stretching. Ladder 17 arrived and reported 2 dwellings going and requested another company for manpower (Ladder 18). Engine 17 dumped their monitor. Chief 5 reported a 2 story dwelling going throughout and companies will be taking a defensive posture. Aerial operations from Ladder 17.