Bafta-winning director among contemporaries urging contrition and apology from Reform UK leader, who denies the allegations Portrait: Tom Pilston The best public interest journalism relies on first-hand accounts from people in the know. If you have something to share on this subject, you can contact us confidentially using the following methods. Secure Messaging in the Guardian app The Guardian app has a tool to send tips about stories. Messages are end to end encrypted and concealed within the