Disclaimer: Some viewers may find the video disturbing.
A video posted Friday shows a shark eating a seal off the coast of Nauset Beach.
Chris Palermo put the video, taken by drone, on Instagram.
"This is one of the craziest things I've ever filmed," he wrote. "Shark eats a seal 500 feet off the coast of Nauset Beach in Orleans, Massachusetts."
Palermo's full video (discretion advised) shows the seal up close after being cut in two, as well as blood in the water.
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The Atlantic white Shark Conservancy tweeted Friday that two white sharks had been tagged off Nauset Beach.
