After more than a week in darkness and rising floodwater, one of seven men trapped in a semi-submerged cave in Laos was brought out alive, according to the rescue team leading the operation. The men had been stranded in the cavern since 20 May in a remote, mountainous part of central Xaysomboun province, where they were searching for gold when flash floods cut off their escape, according to early reports from state media. Rescuers found five of the men alive on Wednesday, sheltering together in a narrow shaft about 300m from…