A firefighter walks past what is left of a seniors home in L'Isle Verte, Quebec. At least five people died and 30 are still missing after a fire there. The water used to fight the flames has frozen into ice that is a foot thick in places. Mathieu Belanger/Reuters/Landov hide caption

itoggle caption Mathieu Belanger/Reuters/Landov

Scene of the disaster: On July 6, smoke rose from the tank cars that derailed in Lac Megantic, Quebec. The explosions and fires killed 47 people. Paul Chiasson/AP hide caption

itoggle caption Paul Chiasson/AP

The railway company whose train derailed and exploded in Lac-Megantic, Quebec, last month can no longer operate in Canada. An image shows the scene one week after the disaster. Ian Willms/Getty Images hide caption

itoggle caption Ian Willms/Getty Images

At a school in Lac-Mégantic, Quebec, the town's people have been waiting for word about their friends and family members. Christinne Muschi /Reuters /Landov hide caption

itoggle caption Christinne Muschi /Reuters /Landov

Do not cross: Crime scene tape blocks access to part of Lac-Mégantic, Quebec, where a train derailed and exploded on Saturday. Stephen Morrison /EPA/LANDOV hide caption

itoggle caption Stephen Morrison /EPA/LANDOV

A view from above showing some of the destruction in Lac-Mégantic, Quebec, after Saturday's train derailment, explosions and the fires that followed. Mathieu Belanger /Reuters /Landov hide caption

itoggle caption Mathieu Belanger /Reuters /Landov

Comforting each other: A group of young women in Lac-Mégantic, Quebec, on Sunday. People there are waiting to hear the fate of 40 people still missing after Saturday's train derailment and the massive explosions that followed. Mathieu Belanger /Reuters /Landov hide caption

itoggle caption Mathieu Belanger /Reuters /Landov