Accident w/Extrication (Ft Worth)

Accident w/ Extrication (Ft Worth) Engine 31, Quint 9, Rescue 38 along with MedStar and FWPD are working a major accident involving a vehicle reported under a 18 wheeler on south bound north loop 820 at the merge with south bound Highway 287. Extrication in progress on one person trapped inside the vehicle. A2