LOS ANGELES (AP) — A YouTube prankster has been arrested after climbing the Hollywood sign.

Los Angeles parks officials say 24-year-old Vitaly Zdorovetskiy was taken into custody after clambering up the letter “D” on Wednesday.

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In video taken from atop the sign and later posted on social media, Zdorovetskiy says, “I’m all the way up, nothing can stop me.” Television showed him waving a flag from his perch.

Senior Ranger Patrick Joyce tells City News Service that Zdorovetskiy could face charges including trespassing. It wasn’t known if he has a lawyer.

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Zdorovetskiy has more than 9 million subscribers to his YouTube channel, where his videos show off dozens of pranks.

Attempts to access the iconic sign are an ongoing problem for the city. It’s surrounded by a fence and many security cameras.

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