“There was a breach of security at Wembley Stadium, which resulted in a small number of people getting into the stadium without a ticket,” a spokesman for the police acknowledged, after the stadium authorities initially denied it had happened.
During the second half, a spectator ran out on to the field and had to be tackled by four security guards before he was escorted off the turf. Earlier, during the playing of Italy’s national anthem, there was booing in the crowd — a nationalistic display that has marred several games played in London.
To some public-health experts, the 60,000-plus people who packed Wembley looked like a potential superspreader event, at a time when Britain is already reporting more than 30,000 new coronavirus cases a day.
In the cold aftermath of the loss, Mr. Johnson prepared to tell the country on Monday that while the government was moving ahead with plans to lift most of the remaining restrictions on July 19, it would urge, but not require, people to keep wearing face masks in confined spaces like buses and subways.
For much of the country, England’s performance in the tournament was a unifying event — a much-needed balm after 16 months of lockdowns and four and a half years of bickering over Brexit. From Mr. Johnson to the queen, the team drew expressions of support, excitement and pure delight.
Yet its players, who have used their fame to stake out political positions, have also aroused mixed emotions — and not just among the racist subculture lurking online. Mr. Johnson’s home secretary, Priti Patel, refused to condemn people for booing them when the team kneels before games.