The prime minister says Transport Canada is investigating reports of unacceptable behaviour on a recent Sunwing Airlines flight from Montreal to Cancun, Mexico. Videos show passengers not wearing masks, gathering in close proximity, singing and dancing in the aisle and on seats, something Justin Trudeau says he’s extremely frustrating. In one video, a large bottle of vodka appears to be passed among passengers, and later a woman appears to be smoking an electronic cigarette on the plane