Prince Andrew says he "ceased all contact" with a businessman accused of being a Chinese spy after government advice and that "nothing of a sensitive nature ever discussed".
Court documents revealed the alleged Chinese spy known as Yang Tengbo, who is now banned from the UK, formed links at the heart of the British establishment and previously became close to Andrew. How was that possible?
Niall is joined by our royal correspondent Rhiannon Mills and our home editor Jason Farrell to explain how the story unfolded, what the wider implications are for the UK and what Prince Andrew's involvement is.
Producer: Emma Rae Woodhouse
Editor: Philly Beaumont