The United States Federal Bureau of Investigation has designated the World Cup semi-final between England and Argentina in Atlanta as the tournament’s highest-risk match, prompting an extensive security operation around the Mercedes-Benz Stadium.

The classification followed a high-level security briefing involving FBI officials, FIFA security chiefs, and local law enforcement agencies. According to reports from US and British media, the FBI assessment focused on the historic and often volatile rivalry between the two nations, as well as the potential for politically charged flashpoints among supporters.

Authorities have ordered strict crowd-management measures. England and Argentina fans will enter the stadium through separate gates in an effort to reduce flashpoints before kick-off. Once inside, however, there will be no formal segregation, a decision complicated by the widespread resale of tickets on secondary platforms, which makes it difficult to control where rival fans are seated.

The rivalry between the two countries stretches far beyond football. It is shaped by the 1982 Falklands War, in which hundreds of British and Argentine personnel were killed after Argentina’s military junta invaded the South Atlantic islands and the United Kingdom responded with a full-scale military campaign. That conflict continues to cast a shadow over diplomatic relations and sporting encounters.

Tensions have been further stoked in recent days after Argentina’s foreign minister publicly restated Buenos Aires’ claim to the Falkland Islands, a position swiftly rejected by British Prime Minister Keir Starmer. The renewed war of words has heightened concerns that nationalist sentiment could spill over among supporters.

On the football side, Argentina coach Lionel Scaloni has tried to strip the fixture of its political baggage. He urged fans to see the semi-final as a sporting contest rather than a proxy for historic grievances, insisting his players are focused solely on reaching the final.

Local authorities in Atlanta have moved to reassure residents and visitors. The Atlanta Police Department confirmed it has bolstered its citywide security posture, deploying additional officers and resources around the stadium, transport hubs, entertainment districts, and other high-traffic areas. Officials say the measures are designed to deter disorder, prevent criminal activity, and ensure that what is expected to be one of the most watched matches of the tournament passes without major incident.

The winner of the England–Argentina showdown will advance to the World Cup final to face either Spain or France.