Sports 2
Sports 2
The first half was otherwise uneventful on and off the field - but in the second half, Sterling was pelted with paper cups and bottles when he opened the scoring for England, while a flare was thrown on to the pitch after Harry Maguire put the visitors 3-0 ahead.
England manager Gareth Southgate had ice thrown at him by fans during his post-match interview with BBC Radio 5 Live. He said: "I've heard reports of racism, which I hadn't heard during the game.
"Everyone knows what we stand for as a team, and that's completely unacceptable. It has been reported. Our head of security has spoken to the players and taken their statement. We will deal with it in the right channels.
"I believe that people have been filmed and we have to hope it's dealt with the right way.