“I was pleased it was drowned out by the majority of the crowd but we can’t deny it happened,” said Southgate.
Players have been taking a knee to highlight racial injustice.A total of 7,000 supporters watched England in the ground for the first time in 563 days, having last seen their team in action against Kosovo.
Speaking of the booing, Southgate added: “It’s not something on behalf of our black players that I wanted to hear because it feels as though it is a criticism of them.