Onlookers were heard screeching in horror as a young woman was fatally struck by a boat propeller, having jumped into the sea to find her flip flops.
Natalia Andrea Larranaga Fajardo, 26, died in the horrific accident at White Wata Beach in San Andres, Colombia.
Her injuries turned the water red with blood as nearby boaters wailed at the sight, mobile phone footage revealed.