Major delays on I35W in Fort Worth due to serious crash with entrapment

Multiple Fort Worth FD, PD, and MedStar EMS units are on the scene of a major accident with entrapment impacting both northbound and southbound lanes of I35W near Highway 287 in north Fort Worth.
Emergency responders were dispatched to the scene just before 8:00AM this morning. It is reported to involved a vehicle and a semi truck in the northbound lanes. The 9-1-1 caller reported the vehicle was under the semi.
Fort Worth FD says there are multiple patients at the scene, including one that is trapped. Extrication is in progress at this time.
Battalion 3, Quint 31, Engine 31, Rescue 38, Engine 37, Engine 9 are all on scene with Fort Worth PD and MedStar EMS.
It is best to avoid this area.