Divers have been pushing through tight crevices, with little light or air, and the constant risk that the weather could deteriorate and reflood the cave that rescuers have worked so relentlessly to drain.

Rescuers confirmed that four men remained trapped inside the cave and were “awaiting further assessment.”

Man is ‘safe and sound’ after perilous operation, leaving four inside a small chamber and two still to be located

Ongoing work follows successful evacuation of first survivor on Friday

Two others remain missing after group became trapped by rising water last week