A British cave diver who helped save the Thai football team last year has had to be rescued after becoming stuck in US caves during expedition with UK team, it emerges.

Josh Bratchley failed to return to the surface with the rest of a party after they emerged from a cave in Jackson County, Tennessee, at around 3pm on Tuesday (9pm BST).

After several attempts to find him themselves, his fellow divers alerted emergency services at around 1am local time (7am BST) on Wednesday morning.

Expert divers were flown in from Arkansas and Florida and a rescue dive began at around 6pm on Wednesday evening (midnight BST).

Authorities said he was successfully rescued around an hour later after being found waiting calmly in an air pocket. By which point, he had been in the cave for 28 hours.