Millions of people are being urged to be careful as temperatures soar across Canada. How the heat and wildfires can be a dangerous combination, what people in one city are being advised to do to avoid straining hospitals, and the heat's potential long-term consequences on the health-care system. With Canada fighting a record-high number of wildfires, the federal government is being urged to remove obstacles so Indigenous communities can help. How cultural burning practices could help mitigate Canada's future fire risk. Belarusian President Alexander Lukashenko says Wagner leader Yevgeny Prigozhin, who led a brief mutiny against the Kremlin, is back on Russian soil. The skepticism over Prigozhin's safety. The tight-knit community of Lac-Mégantic, Que. is reflecting on 10 years since the rail disaster that killed 47 people and devastated the heart of the town. How residents marked the day, and how the tragedy still haunts some people. Plus: Mother Nature and motherhood. The new research exploring how summertime could affect fertility.