One person was hurt following a crash on the CR315 between Poteau de Harlange and Bavigne shortly before 2pm on Monday.
At around the same time, the Esch-sur-Alzette fire brigade was called out to a vehicle fire on the A13 near the Lankelz junction.
In Merl, two cars collided on Route de Longwy shortly after 3pm, leaving one person injured.
A third person sustained injuries in a crash on the RN07 between Ettelbruck and Schieren at 3.30pm.
