It has been revealed that four more workers have been ‘secretly’ rescued from Thailand’s Tham Luang cave rescue.

The workers were employees of Thailand’s water company, was made public by rescuing divers Richard Harris.

This came a week before the Wild Boars soccer team were rescued,  where Harris admitted he thought the mission had ‘zero chance’ of success.

Addressing a conference in the UK revealed he found the four men on June 28 after navigating the cave’s treacherous high water levels.