Multiple Fire crews are responding to a car transporter fire on the M1 motorway north of the Catthorpe Interchange (J19). M1 JUCTIONS 19 - 20 CLOSED Credit - LFRS Seven cars are ablaze, as well as the transporter. There are no casualties. There are six fire engines currently at the scene, plus two water carriers. Colleagues from Warwickshire Fire and Rescue and Northamptonshire Fire and Rescue Services are assisting. The northbound carriageway of the M1 is closed in this ar