this is bbc news — i'm ben brown. these are the latest headlines in the uk and around the world. ahead of the g7 summit of global leaders, prime minister borisjohnson pledges to donate 100—million vaccine doses to developing countries over the next year. the fight against covid would not be possible without the uk's effort on vaccines. borisjohnson has hailed the alliance between the us and the uk as an "indestructible relationship". we'll be live from cornwall throughtout the day to bring you all the latest from the summit.