After construction delays and budget overruns, more bad news for Brazil.<br/> <br />Army tanks and jeeps head for Santos Dumont airport in Rio de Janeiro.<br/> <br />It's just one of three ariports where workers have declared a slowdown beginning at midnight on the eve of the opening match of the World Cup.<br/> <br />Santos Dumont airport provides a domestic service, including flights to Sao Paulo, where the first World Cup game is being held on Thursday.<br/> <br />The airport was almost deserted late on Wednesday.<br/> <br />Check-in assistants, baggage handlers, mechanics, and engineers are among the workers taking part in the 24-hour strike.<br/> <br />For months, they've been seeking salary raises of at least 5.6 percent.<br/> <br />A court has ordered the unions to keep staffing at 80 percent of normal levels or face a $22,400 fine.<br/> <br />The National Agency of Civil Aviation is monitoring events closely and says all airline companies are equipped with a contingency plan during the World Cup.<br/> <br />The tournament
