“Separately, and in accordance with Article 31(4) DR, a UEFA Ethics and Disciplinary Inspector has been appointed to conduct a disciplinary investigation into events involving supporters which occurred inside and around the stadium.

“Information on this matter will be made available in due course.”

The Metropolitan Police Federation said: “These people should be ashamed of themselves.

“They are not fans. They are thugs. We wish our injured colleagues well.”

Football Association chief executive, Mark Bullingham, telling BBC Radio Four’s Today programme: “We will do a full review and we will work with the police to catch anyone involved and make sure we can prevent it ever happening again.

“Anyone caught will obviously be banned and have the right action taken against them.”