Brussels, Feb 14 .- A crash between a passenger train and a freight train in Luxembourg left six people injured on Tuesday, said a national rail company spokesman.

The CFL spokesman said two people were in critical condition after the crash, which occurred in the Luxembourgish town of Dudelange at 9:00 am local time (8:00 am GMT).

The causes of the crash are as yet unknown.

The accident affected the railroad network that connects France and Luxembourg and caused significant material damage.

The Luxembourgish interior and infrastructure ministers, Dan Kersch and Francois Bausch respectively, visited the site of the crash.