With main access route blocked miners scale network of ladders covering 4,000ft at mine in Sudbury

After a gruelling, half-day, climb up ladders, ascending about 4,000ft, 35 of 39 miners trapped at a mine in northern Canada have made it to the surface.

The miners had become trapped deep underground on Sunday after a scoop bucket detached and blocked the main transport shaft at the Totten mine in northern Ontario. They were forced to scale the network of ladders in secondary shafts, getting the chance to rest every 100 metres.

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Source: The Guardian