France, April 7 -- The TGV train, which was travelling from the northern city of Dunkirk to Paris and carrying 243 people, collided with the vehicle at a level crossing in the town of Bully-les-Mines.

The impact was so strong that the military vehicle that was aboard the truck, and weighed several dozen tonnes, was sent flying around 10 metres, landing near a private garden.

The 56-year-old train driver, described by officials as an experienced professional, died instantly, said local prosecutor Etienne Thieffry.

The truck driver was in police custody on suspicion of manslaughter, prosecutors said. It was too early to say whether or not he forced his way through the level crossing.

Two people were badly injured, although their injurie...