The first of seven men who have been trapped in a flooded cave in Laos for more than a week has been brought to safety by divers, in a perilous rescue mission that has required teams to crawl through narrow, deluged tunnels, navigating sharp rocks and collapse hazards. Four men remain inside a chamber about 300 metres (980ft) from the cave entrance, where they were found crouched and huddled together on a rocky ledge by rescuers on Wednesday . Two men are yet to be located. “The first one is out. Safe and sound!!!” wrote Manat Artmongkron, a rescue technician for Saithan Saphanboon Foundation, a Thai rescue group, in a Facebook post. Video posted on social media showed a man covered in mud clambering out of the cave to safety. He was met with some cheers and wrapped in an emergency blanket. International diving teams, including some who worked on the dramatic rescue of a young Thai football team in 2018, have battled for days to retrieve the men.…