Today marks the 30th anniversary of the Abbeystead disaster in Lancashire in which 16 people were killed. They died in an explosion whilst on a tour of a water treatment plant in the village of St Michael's on Wyre.
A group of 44 visitors were inside the underground building being shown around by North West Water Authority to demonstrate the operation of the station when it happened. Eight of the group died instantly whilst others were killed when the roof collapsed on them.
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