Panama authorities seize narco-sub packed with 5 tons of drugs

On Wednesday, Panama's National Aeronaval Service seized this homemade semi-submersible vessel in territorial waters off Bocas del Toro. Authorities discovered 5 tons of drugs inside and nabbed four Colombian citizens.

According to CNN, "the ministry (of public security in Panama) did not specify what type of drugs were seized in the raid, but smugglers have previously been caught using similar vessels to transport cocaine into the United States and Europe."

Indeed, you may recall the intense video below from last summer showing US Coast Guard crew members boarding a similar narco-sub in the Pacific Ocean:

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