Striking employees of Bolivia's biggest airline, Lloyd Aereo Boliviano (LAB), hold a rally while blocking the main runway at the airport in Cochabamba, central Bolivia, as riot police (back R) arrive to disperse them March 30, 2006. Workers from Bolivia's flag airline blocked the runway at the international airport in the city of Cochabamba on Thursday, calling for the government to save the debt-crippled carrier. REUTERS/Danilo Balderrama