A military plane with 38 people on board has disappeared en route to Antarctica, Chile's air force says.
Seventeen people have died and more than 5,000 detained. Chilean President Sebastián Piñera has announced reforms aimed at ending days of violent protests.
President Piñera has suspended the rise in metro fares that sparked the protests, but unrest has continued.
Sebastián Piñera Takes Office as President of Chile, Again. Political conservative, returned to Chile’s presidency on Sunday, vowing to revive an economy that slumped under the departing center-left leader Michelle Bachelet.