Sunday's top stories in 10 minutes

Two people are dead and four seriously injured after gunfire erupted at a massive Toronto street festival. Veteran Republican Senator Lindsey Graham has died suddenly at age 71 following a brief illness. Iran has launched retaliatory missile strikes against U.S. bases in Qatar and Oman after Washington hammered one hundred and forty targets inside Iran.   Prime Minister Mark Carney is at the Calgary Stampede to pitch Canadian unity ahead of Alberta’s upcoming referendum on secession. Canadian airports are warning travellers that automated, AI—generated news sites are inventing completely fake flight delays and travel chaos. A new documentary reveals a deep division in the Arctic over a massive highway project that threatens critical caribou habitat.