Three miners died and six others were hospitalised on Monday after a tremor hit their coal mine in southern Poland, according to the operator PGG.
“We received the sad news that a third miner is also dead. Rescuers are currently working on bringing the bodies to the surface,” PGG spokesman Tomasz Glogowski told the TVN24 commercial news channel.
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The nine men were boring a walkway more than 700 metres (2,296 feet) underground at the Murcki-Staszic mine in the southern city of Katowice when the 2.66-magnitude tremor struck in the early afternoon.
One of the surviving miners is in serious condition, while the other five suffered lighter injuries, according to the PAP news agency.