Yes, the refuges were most definitely used according to the Union rep on the news
Fire broke out at around 1230am at a depth of 3600ft, approx. 8Km East of shaft bottom. 11 people were directly involved in the incident of whom 7 were treated in hospital for the effects of smoke inhalation and heat exhaustion - all now released.
The incident was ended by 5am and involved burning polystyrene.
MARK