Thai rescue workers will drill a narrow shaft into a cave where 12 schoolboys and their soccer coach are believed to be trapped by floodwaters, Thailand's interior minister said on Wednesday, the fourth day of a search that has been hampered by heavy rain.
The boys, aged between 11 and 16, and their 25-year-old assistant coach, went missing on Saturday after soccer practice when they set out to explore the Tham Luang cave complex, even though it is known to be prone to flooding in the rainy season.
Thai volunteers and military teams, including 45 navy SEAL unit members, have been deployed at the flooded cave complex, which runs 10 km (6 miles) under a mountain in the northern province of Chiang Rai.
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