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Listen to High-Pitch Sound Used in Mysterious Cuban Attack Against US Diplomats (Audio)

”If you don’t want to hear this press mute now,“ MSNBC anchor Chris Jansing warns

While authorities continue to investigate the mysterious sonic attack that injured workers at the U.S. embassy in Havana earlier this year, MSNBC anchor Chris Jansing decided to let viewers hear the ultra-high-pitched sound for themselves.

“Experts say it can cause brain injuries and hearing loss,” Jansing said at the end of her Friday broadcast, offering a warning before immediately proceeding to play the sound.

“If you don’t want to hear this press mute now, but experts do not believe it’s dangerous to hear for short durations through standard devices like TVs,” she said.

The sound was first uncovered by sleuths at the Associated Press.

In August, news emerged that multiple U.S diplomats and others in Cuba had been injured by a mysterious against attack against the U.S. embassy in Havana.

According to reports, the individuals were subjected to months of bombardment by ultra-high-pitched sounds.

“It sounds sort of like a mass of crickets. A high-pitched whine, but from what? It seems to undulate, even writhe,” the AP wrote. “There are multiple, distinct tones that sound to some like they’re colliding in a nails-on-the-chalkboard effect.”

It remains unclear where the sound originated from or who was responsible. Cuba has strenuously denied any involvement.