this is bbc news, the headlines. the princess of wales makes her first official public appearance since announcing she is being treated for cancer. she joined the rest of the royal family at the annual trooping the colour parade to mark the king s official birthday. it s the first royal engagement she carries out this year. president zelenskyjoins dozens of other world leaders in switzerland for discussions on ending the war in ukraine, but russia was not invited. mr zelensky is hoping to sustain the momentum of this week s g7 meeting, when leaders pledged 50 billion dollars of loans on the back of seized russian assets. and alan bates, who campaigned to expose and alan bates, who campaigned to expose the and alan bates, who campaigned to exrwse the post and alan bates, who campaigned to expose the post office and alan bates, who campaigned to expose the post office scandal- expose the post office scandal receives expose the post office scandal receives a expose th