Today units from companies 12,23,24,31,33,YC68, YC67, and YC29, responded to a field fire in the area of Rossmoyne road at the rail road tracks. Chief 3-12 went on the scene with a well involved hay field and requested addition resources for brush trucks and tankers. Engine 112 deployed attack lines off of Lisburn road. Once Norfolk Southern shut down the main line Engine 2-12 accessed down the rail road siding to begin a defensive hold on the fire.