Former Montreal Maine and Atlantic Railway Ltd. employees Tom Harding, right, Jean Demaitre, centre, and Richard Labrie are escorted by police to appear in court in Lac-Megantic, Que., on Tuesday, May 13, 2014. The lawyer for the Harding, the train driver charged in the deadly Lac-Megantic disaster, says Crown prosecutors are seeking to prevent his client from having a preliminary inquiry. THE CANADIAN PRESS/Ryan Remiorz