Thailand cave rescue: How can rescuers free the boys?

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Aliya Nazki in BBC Urdu “Sairbeen” covered these topics:
• After nine days trapped in darkness in a cave in Thailand, 12 boys and their football coach have been found alive.
Two British divers found all 13 safe in a cavern in the Tham Luang cave system in the northern Chiang Rai province.
But the issue now is to get them all out of the cave with rising waters and mud hindering access and the trapped group’s health a major concern.
• Antarctica is shedding ice at an accelerating rate.
• Satellites monitoring the state of the White Continent indicate some 200 billion tonnes a year are now being lost to the ocean as a result of melting.
This is pushing up global sea levels by 0.6mm annually – a three-fold increase since 2012 when the last such assessment was undertaken.
Scientists report the new numbers in the journal Nature.