Sea shanties are flooding social media, so we wrote our own for Newscast. More than four million people have now had Covid vaccines - but why is the rollout 'lumpy'? Laura Kuenssberg and Hugh Pym give us the latest. We also hear from Moscow, where President Putin's fiercest critic has been arrested. And as influencers come under fire for trips to Dubai, we speak to the man who links them up with advertising opportunities.

Studio Manager: Emma Crowe Producers: Georgia Coan and Cristina Criddle Episode Editor: Ben Weisz Assistant Editor: Sam Bonham Editor: Dino Sofos