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Swarm of killer jellyfish spotted just metres away from Olympic swimming venue
Another reason to avoid the water. It seems deadly Jellyfish have decided to vacation along the shoreline of the city.
The jellyfishes' tentacle can stretch up to 150ft in length and their sting is so painful to humans it can even kill.
Olympic swimmers could now face a daunting gauntlet of tentacles when they swim in the 10km event.
All I can say is "Good Luck!" to those athletes that must endure these obstacles as well as trying to get the Gold.