Crocodile 'stalks swimming tourist in Mexico'

Amateur footage has emerged purportedly showing a swimmer frantically trying to reach a shore while being stalked by a large crocodile in Mexico.

Panicked tourists on the overhanging Boca Paila bridge in Sian Ka'an watched in terror, as the man made a beeline for dry land.

A quick-thinking observer intervenes, throwing an object at the creature and stopping it in its tracks. The footage is said to be captured by Manuel Carrera.

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