Investigators have yet to confirm if CN train sparked the catastrophic wildfire that destroyed the village of Lytton, killing at least two people. What Canadians need to know about the latest rules for fully vaccinated travellers arriving from overseas. How Americans are celebrating Independence Day with new freedom as pandemic restrictions ease. The fears that the new Delta variant is stoking worldwide. Plus, the first woman elected as chief of a First Nation. And, the comforting canine that knows exactly how to heal hospital staff.