Protesting teachers brought down several football player statues in central Mexico City on Tuesday, escalating tensions ahead of the World Cup.
Members of the dissident CNTE union used ropes to topple figures along Paseo de la Reforma, a major avenue lined with skyscrapers, before stripping and burning some of them.
The action forms part of an ongoing dispute over pay and pension reforms. The group is demanding a 100% salary increase and has rejected a government offer of 9%, setting up the threat of wider strikes during the tournament.
Further demonstrations are planned, including during the World Cup opening on June 11.
Police had earlier used tear gas to break up related protests near the Zocalo, where fan events are due to be held.
