one of their eyes in reference to the government's use of rubber bullets on demonstrators that has left some of them blinded.

The South American country has seen violent unrest for the past month after a subway fare hike sparked protests that grew into a large political movement seeking a broad range of changes to deal with inequality.

Last week, Chilean President Sebastian Piñera announced tougher security measures to incresae security and toughen sanctions for vandalism.

Most protests have been peaceful, but some have turned violent with daily clashes between police and demonstrators. There have been cases of arson and looting.

At least 20 people have died in the unrest.

With files from the Associated PressLewis Hamilton triumphed in a nail-biting finale to the Mexican Grand Prix, brilliantly making an ambitious one-stop strategy work to win out from Ferrari’s Sebastian Vettel and his Mercedes team mate Valtteri Bottas – although it wasn’t quite enough for the Briton to secure his sixth drivers’ title over Bottas at the Autodromo Hermanos Rodriguez. Hamilton superbly eked out the tyre life out of his hard rubber, making a 48-lap stint work to take his second win in Mexico, and Mercedes’ 100th as a constructor – although it was the first time in three years that he hasn’t claimed the title in Mexico City. A slow second pit stop helped consign early race leader Charles Leclerc to fourth, ahead of the Red Bull of Alex Albon in fifth.