Four supporters died of asphyxiation and cardiac arrest on 30 June when a false rumour of gunfire triggered a stampede among the million-strong crowd celebrating Mexico’s victory over Ecuador on Paseo de la Reforma. The Mexico City Attorney General’s Office has opened an investigation into each death, and the capital’s government has pledged 50,000 pesos in assistance per family. The tragedy has reshaped the security architecture for Sunday’s round-of-16 fixture against England, the last World Cup match to be played at the Estadio Ciudad de México.

Mayor Clara Brugada announced that the Ángel de la Independencia, the traditional epicentre of football euphoria, will be free to enter but capped at 25,000 people—roughly four per square metre. Once that threshold is reached, access will be closed and fans redirected to other points along the six-kilometre Reforma corridor, where 62 giant screens will be installed, six more than for previous matches. A double security perimeter will be enforced, with 6,000 police on Reforma alone, part of a citywide deployment of 17,000 officers and 40,000 public servants including paramedics, firefighters and civil protection teams.

A reinforced dry law will prohibit the sale of takeaway alcohol from midnight on 5 July until 7 a.m. the following day, now extended beyond the historic centre to the Roma Norte and Condesa neighbourhoods after authorities detected sales spilling across Avenida Chapultepec during earlier games. Twelve establishments in the zone have already been shuttered. The Fan Fest in the Zócalo will also operate with controlled access and random searches to block alcohol and pyrotechnics, while metro stations near Reforma may be closed depending on crowd density.

To disperse the anticipated masses, the city has organised free concerts in all 16 boroughs and coordinated with at least eleven municipalities in the neighbouring State of Mexico, including Ecatepec and Nezahualcóyotl, which will set up their own screens and cultural events. The British government issued a travel alert urging fans to avoid large gatherings and to leave immediately if disturbances occur, prompting President Claudia Sheinbaum to insist that Mexico is safe for visitors. Sheinbaum, who predicted a Mexican victory, called for individual responsibility, asking supporters to avoid already packed areas and to heed official guidance.

Mexico’s progress to the knockout stage for the first time in forty years has electrified the nation, but the deaths have cast a shadow over the celebrations. The match against England kicks off at 18:00 local time, with the winner advancing to a quarter-final that would be played abroad. For the host nation, the immediate sporting consequence is clear: a place in the last eight is at stake, and the authorities are betting that a decentralised, tightly managed party can keep the focus on the football.