Lots of questions on Parliament Hill over how a father and son accused in a terror plot were able to immigrate to Canada. The government says their arrest is an intelligence success. The opposition says it highlights the failure of authorities.

And: Whooping cough cases are surging in multiple provinces. Quebec alone has already seen more than double the national average, just in 2024 so far. Experts think a lack of infections and lower vaccine uptake throughout the pandemic left more people vulnerable.

Plus: The 2024 Paralympic Games kicked off with athletes parading down the Champs-Élysées in Paris. Canada has 126 athletes competing in 18 sports, all hoping to get to the podium. Organizers say these Games are a turning point for accessible sport.

Also: cloud seeding, West Bank raids, and serial killer sentencing.