The accident happened in South America when a bulldozer that was excavating fell into the Amazon River,(On 2 images you can see the sunken bulldozer) while people performed work on a gas line. The operator who was driving the bulldozer broke the glass to free himself, but injuries from glass-cuts, the blood emanated to attract the wild piranhas.in addition 3 dead fish were found in his internal cavity not sure if 1 or 2 were piranhas.

They travel in a large group, or a shoal, and collaborates to attacks fairly large animals even 10 times its size. attacks Tales on humans have been told of how the murky waters of the Amazon River are not safe due to the presence them . Piranhas attacks stories have been circulated throughout the globe of unlucky people accidentally falling and facing an attack in the waters and humans getting consumed by the attacks

In fact the piranhas can turn humans into bones in a matter of minutes, It is true that the piranhas attacks prey much greater their size, but the piranhas attacks reputation as a man-eater has been highly exaggerated by the piranha haters.Piranhas attack in swarms. Each bite is small and if there’s a swarm of 100 or more, it’s going to be fatal if the attacks on humans is in large numbers. But as nature goes, piranhas are deadly when they attack in a massive group and attack humans, each taking a small bite from a humans flesh.