The Public Security Ministry confirmed that 50 National Police officers had been sent to help Corcovado's park rangers and staffers respond to the demonstration.
Justices ordered Public Security Ministry officials to take immediate action to evict from Corcovado all those conducting illegal logging, poaching and gold mining.
The proposed construction of a landfill in the canton of Mora, 20 kilometers west of San José, has angered local residents who say they will fight to protect their natural resources. But time is running out.
The government's initial proposal was to ban the import of used vehicles older than six years, but the used car industry bargained it up to 14 years. The Environment Ministry said the rule would help the country meet its goal of becoming carbon neutral.
At 47,588 hectares, Braulio Carrillo is the largest national park in Central Costa Rica and home to 6,000 different plant species, more than 500 migratory and endemic bird species, and other fauna.
