The great clean-up operation has begun in earnest after England striker Harry Kane’s extra-time winner sent the men’s national football team to their first major tournament final in more than half a century. Before many jubilant fans roused from their slumbers on Thursday, street teams were out clearing up after those whose celebrations stumbled into excess. Some streets across the nation were strewn with empty disposable plastic pint glasses, food cartons, laughing gas canisters, and other detritus. Elsewhere, there were signs of damage to street furniture. In central London, cleaning staff were seen at dawn working to tidy up Leicester Square, where many fans congregated on Wednesday night during and after England’s 2–1 victory over Denmark. One woman cleaning the area told the PA news agency on Thursday morning: “It is a disgrace. “People have damaged the irrigation system and some climbed up the fountain. “There may be an investigation …