Accident w/ HazMat (Frisco/Plano)

Frisco Quint 8, Plano Engine 10, and DPS troopers are on scene of a major accident on northbound 121 near Coit Road. All northbound lanes have been closed along with at least one SB lane. Reports indicate a vehicle and a gas truck involved. HazMat has been requested to the scene. Expect a prolonged closure due to cleanup.