India, July 28 -- A terrifying video shows a frantic rescue take place at a Santa Cruz beach when a child was swept into powerful waves, prompting a 16-year-old lifeguard to save the child's life. NBC Bay Area identified the rescuer as a high school student, who witnesses said carried out one of the most heroic rescues they had ever seen.

A woman who claimed to be the lifeguard's mother stated on social media that the teen's name was Ryder. The child he saved is reportedly 10 years old.

Video capturing the heart-stopping incident shows several beachgoers, along with a second lifeguard, trying to enter the water. As the huge waves engulfed everybody, many appeared to become overwhelmed.

"It caught a lot of people off-guard," Vander Duss...