A 21-year-old world champion snowboarder was killed by an avalanche in Switzerland on Tuesday, sports officials said.

Described as a “naturally gifted shining star,” Estelle Balet died in the canton of Valais, on Switzerland’s southwest border with Italy and France, according to a statement from the Freeride World Tour.

Balet had earned her second world title as part of the Freeride World Tour in Verbier, Switzerland, earlier this year.

“Estelle Balet was a naturally gifted shining star and demonstrated remarkable talent as she quickly became a household name on the Freeride World Tour,” tour officials said in a statement….

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