Increased security measures are in place at Mexico City International Airport as the 2026 World Cup kicks off on Thursday. The heightened alert follows planned demonstrations by militant teachers' unions. Authorities recently discovered explosives, prompting a large-scale police operation to secure the airport. The protests are occurring concurrently with the start of the football tournament, raising concerns about potential disruptions. Police are working to prevent any interference with World Cup operations and ensure the safety of travelers. The situation remains fluid as demonstrations continue and security protocols are reinforced. Authorities have not disclosed the specific nature of the threat or the size of the police deployment.