Illegally operated drone in Yosemite NP forces park helicopter to land out as safety precaution

Drones can offer incredible vantage points for photographers, but they also can be a danger to aircraft. And so when a drone appeared in the air near Glen Aulin in Yosemite National Park, a park helicopter had to land rather than risk collision.

The helicopter was transporting materials one day last week but had to land because the drone "was flying too close to the helicopter," said park spokeswoman Jamie Richards.

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