Officials and human rights officials say a 11-day-long strike is starting to cause serious food shortages in the Bolivian city of Potosi.
Protesters are blocking highways that link the city to the rest of Bolivia to insist on more economic development funding for a mountainous region slammed by flagging demand for its key mineral exports.
Demands include a new airport, hospital and cement factory. And protesters want a meeting with President Evo Morales, who so far has declined.
Ernesto Cardenas of the Assembly of Human Rights says bread, meat and vegetables are running out in the city of some 170,000 people.
Local authorities say about 100 tourists are also trapped by the road barricades, most of them Argentines.
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