Army tanks, jeeps and armored lorries have arrived at Santos Dumont airport in Rio de Janeiro, just one of three airports where workers have declared a strike, hours before the World Cup kicks off.
Santos Dumont airport provides some flights to Sao Paulo, where the first match is being held between Brazil and Croatia.
Check-in assistants, baggage handlers, mechanics and engineers are among the workers taking part in the 24-hour strike over pay.
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