Rising piranha population threatens to shut down Brazil beach, many attacked

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Authorities in Brazil's Piaui state are racing to act against a rising piranha population that has already injured nearly 100 beachgoers and is now threatening to shut the beach down.

UOL Noticias reported that at least 100 bathers were treated for injuries on heels or toes and environment officials are even trying to feed the flesh-eating fish - famous for devouring animals in seconds - in an effort to reduce the populations' hunger.

"Since they have no predators, piranhas have started attacking people on the beach," said local environment official was quoted as saying.