Sunday's top stories in 10 minutes

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