Four more men freed from flooded Laos cave in hazardous rescue mission (opens in new tab)

Two still missing as divers make their way deeper into cave through muddy water and sharp rocks to find themFour more miners who were trapped in a flooded cave in Laos for 10 days have been freed by divers, but two people are still missing as rescuers continue to crawl through narrow, deluged tunnels and sharp rocks to find them.The in a perilous rescue mission which has required teams to drain water from the cave and navigate collapse hazards.