Argentina has recorded 485 deaths in a single day, its highest tally since the beginning of the Covid-19 pandemic. Meanwhile, France is introducing new legislation to protect child stars on platforms such as YouTube, TikTok and Facebook. It's the first country to do so. In other news: Happy 80th birthday to John Lennon! The slain Beatle's birthday is being marked around the world, nearly 40 years after his assassination.