Thirteen sets of diving equipment have been prepared for the team, who have endured 12 nights underground in the Tham Luang cave complex in northern Thailand, a saga that has transfixed a nation and united Thais in prayers for their safe return. In a sign of increased urgency, Narongsak said medics and Thai Navy SEAL divers are assessing whether the boys are fit and well enough to be taken out early -- apparently softening his instance on Wednesday that "no risk" will be taken with the evacuation. It takes seasoned cave diving experts around six hours to reach the muddy ledge where the boys are sheltering around four kilometres (2.4 miles) into the cave.



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