A young US lifeguard has pulled off a heroic rescue in California, dragging a 10-year-old boy to shore in a monster swell.

A terrifying video shows a rescue 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.

A boy was rescued by lifeguards Saturday at a Santa Cruz beach in California as large swells contributed to at least 25 rescues across Santa Cruz County. The rescue at Seabright…