EDS NOTE A JULY 6, 2013 FILE PHOTO Smoke rises from railway cars that were carrying crude oil after derailing in downtown Lac-M√©gantic, Que., Saturday, July 6, 2013. Quebec Superior Court justice will begin hearing arguments Monday that could determine whether more than $431 million can be distributed to victims and creditors of the Lac-Megantic, Que., train derailment or if the entire settlement process will come to a screeching halt. THE CANADIAN PRESS/Paul Chiasson