rights Employees have the right to unionize and strike, although this right is limited in the case of foreigners, government employees, workers without job contracts, and workers providing essential services. Pressure and harassment have been used to prevent the formation of unions or to inhibit union demonstrations, and a union leader was fired for leading a strike in 2010. Collective bargaining is permitted. Forced labor is illegal, but occurs. Several hundred North Koreans who work in factories, mines, and other jobs through an arrangement with their government are not free to quit or complain about their jobs. The law prohibits work by children under 14 and limits work by older children, but enforcement is highly ineffective, and many children are forced to work in construction and in mines. Because of abandonment by parents, many children are obliged to support themselves by working as animal herders or in other jobs. Child jockeys are also used in horse races. There is a minimum wage, but it is low and many workers are paid less. There are also laws setting a maximum workweek and other limits. There are no laws governing sick leave. Enforcement of occupational health and safety laws is insufficient, and the conditions under which many foreigners work, chiefly North Korean and Chinese laborerers working in such fields as mining and construction, are below standard. Human Rights Watch, citing a report that the Mongolian and North Korean governments had agreed to an arrangement by which up to 5300 North Koreans would work in Mongolia, called on Mongolia in 2008 to “protect the human and labor rights of North Koreans coming to Mongolia to work,” Noting that North Koreans working abroad under such arrangements “face severe restrictions on their freedom of expression, movement, and association” and often remain “under virtually constant surveillance by North Korean 'minders,'” HRW asked Mongolian officials “to conduct thorough on-site investigations in facilities where North Koreans work, ensure that all North Korean workers are fully informed of their rights and how to exercise them, ensure that workers receive net wages compliant with minimum wage laws, and monitor freedom of movement of North Korean workers.” An HRW official said: “This is a chance for the Mongolian government to set a positive precedent for North Koreans working overseas and allow them to be treated like other workers, instead of as virtual prisoners of North Korean minders. They must not waste