Tech billionaire Elon Musk shared new videos of a kid-sized submarine that engineers developed to help save the trapped youth soccer team inside the miles-long Tham Luang Nang Non cave in Chiang Rai Province, Thailand.
"All four boys have arrived at hospital, all are safe", Narongsak Osottanakorn, head of the rescue mission, told reporters of those freed on Monday. Some of the parents told Reuters they had not been told who had been rescued and that they were not allowed to visit the hospital.
Four more of the boys were carried on stretchers out of the cave on Monday, bringing to eight the total number brought out so far after two rescues in successive days. As with the previous rescue efforts, 19 divers have gone into the cave, with two divers escorting each of the boys out of the cave with tethers.
The Thai soccer team ventured into the Tham Luang cave complex after practice and became trapped by rising waters more than a fortnight ago.
Musk had offered mini submarine, named Wild Boar after the kids' football team, to help in the rescue operation.
Graphics explaining how the divers managed to rescue the four boys have been circulating on social media.
The 12 boys - ages 11 to 16 - entered the massive cave complex on the frontier of Thailand and Myanmar with their 25-year-old coach on June 23.
Last week, Musk sent engineers from two of his companies, SpaceX and Boring Co., to assist Thai officials in the rescue effort, which comprises a large team of worldwide diving, engineering and medical experts, among other professionals.
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Jesada said the first four boys who were taken out are now eating well.
The eight rescued boys are healthy are in 'high spirits.' They are under constant medical supervision to eliminate any risk of infection.
Two divers accompanied each of the boys, all of whom have been learning to dive only since July 2, when the first searchers found them.
But he added rescuers may need more than 20 hours, to replan and replenish oxygen supplies, to be ready to mount the next mission.
"Early this morning Harry's father passed away here in Adelaide. after they had all come out of the cave", said Dr Andrew Pearce, of rescue service MedStar in the Australian city, where Dr Harris, also known as Harry, is a specialist. We always knew they would be alive.
Rescuers began the operation at 4am United Kingdom time and are determined to get them out of the Tham Luang Cave in Chiang Rai, northern Thailand, before monsoon rains that could last until October make any evacuation impossible.
"On behalf of the United States, congratulations to the Thai Navy Seals and all on the successful rescue of the 12 boys and their coach from the treacherous cave in Thailand", Trump tweeted. "Leaving here in case it may be useful in the future".