Chile has pulled out of hosting two major international summits, including a UN climate change conference.
President Sebastian Pinera made the announcement as anti-government protests continue in the country.
He said his government needs "to prioritise re-establishing public order".
The UN is looking into alternative venues for the December's COP25 climate summit and next month's Apec trade forum.

Venezuela quake death toll nears 3,000 as rescue effort winds down
Eight injured in New York shooting
Trump appears on National Mall for July 4 speech after storm-related delay
Qatar says all maritime activities will resume immediately
St. Petersburg region port, oil terminal hit in Ukrainian drone attack