Days after a fire burning south of the town of Waterton started growing again and spread into Canada, fire crews are thanking a previous fire for creating a fire break. A dry, windy Friday afternoon saw the Boundary Valley fire — burning roughly seven kilometres south of Waterton — grow from 703 hectares to 1,092 hectares. At last report, only 12 per cent of the fire is under control. “The 2017 Kenow Fire burned much of the area to the north and west of this new area of fire,” said the Northern Rockies Incident Management Team in a release. “Reduced fuels in this recently burned area should help act as a fire break.” The Kenow wildfire, which started in B.C. before it jumped the border into Alberta, triggered an evacuation of Waterton Lakes National Park on Sept. 7, 2017.