U.K.'s ultimatum to Israel; Potential Air Canada strike; Trudeau dines with Katy Perry

British Prime Minister Keir Starmer has issued an ultimatum to Israel unless it agrees to end the "appalling situation" in Gaza. Redmond Shannon reports on Starmer's warning, as Gaza quickly spirals into famine. Jackson Proskow reports on the deadly mass shooting in Midtown Manhattan, who the victims were, and why the gunman seemingly targeted the headquarters of the NFL. Anne Gaviola explains why Air Canada's flight attendants may go on strike, and has advice to worried travellers. Plus: date night vibes? Mike Armstrong spills the tea on former Prime Minister Justin Trudeau and pop superstar Katy Perry being spotted out and about in Montreal. Learn more about your ad choices. Visit megaphone.fm/adchoices