Liz Luff, from the Sir Bobby Robson Foundation, tweeted that she was "absolutely furious" about the graffiti. The garden includes a series of stones featuring images to celebrate Sir Bobby's career.

Bobby gave me my first cap at the age of 29 and then I got my chance at the 1986 World Cup. There was a lot of pressure on us at the time and Bobby just said to me: 'Get the ball, give it to Glenn ...