A burning truck has caused major traffic jams on Monday just after 14:00 on the E19/E42 motorway near Nimy, en route towards Brussels.
The road has been closed, federal police confirm. Drivers were signalled to leave the highway by taking the Nimy exit.
Initial police investigations show that a timber truck caught fire after hitting several other vehicles. There is currently no information on possible victims. Emergency services are attending the scene.