Morning Update: Sunscreen skepticism goes viral

Good morning. The TikTok generation is trading sunblock for sunburns, using apps to optimize their summer glow — more on that below, along with the one-year anniversary of Jasper’s wildfire and Ozzy Osbourne’s musical legacy. But first:

• Carney signals that a U.S. trade deal could come later than Aug. 1
• In Kyiv, Canada’s ambassador shows solidarity by standing firm
• Ottawa’s hotel bill for asylum seekers reaches $1.1-billion, with tens of millions more earmarked this year