Global News at 6 Montreal July 6 2014 6:46pm 02:26 Lac-Megantic one year later Sun, Jul 6: It’s been one year since a tanker train derailed in Lac-Megantic, killing 47 people. The town commemorated the devastating event with two masses. Billy Shields reports. Lac-Megantic memorial Crowds pack church for Lac-Megantic 1 year memorial Responsive site? HTTPS:// site?