LAC-MEGANTIC, Quebec — Two residents of a Quebec town devastated after an oil train derailment killed 50 people have registered a motion to file a class-action lawsuit against the U.S. rail company and some of its employees.

One resident is Yannick Gagne, who owned the Musi-Cafe bar where many died in the July 6 disaster.

The other is Guy Ouellet, whose partner was killed.

The defendants include the Montreal, Maine & Atlantic railway, chairman Edward Burkhardt and president Robert Grindrod.

The court documents were filed Monday in Quebec Superior Court.

No financial sum is mentioned.

Yves Bourdon, a member of the railway's board of directors, says he is not in a position to comment.