Ryder Williams, the 16-year-old lifeguard who rescued a 10-year-old boy from dangerous surf in Santa Cruz, didn't stop there. After returning to duty, he helped in four more rescues the same day as powerful waves and rip currents battered the California coast. US President Donald Trump has announced he would give him a High Civilian Honour.

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 child was saved from the ocean in a dramatic rescue after being pulled in by powerful waves. Footage captured by witness Scott Vander Dussem shows a Santa Cruz lifeguard, who is…