The ground collapse is believed to be related to old mining works in the Rhondda ...
Investigations are underway with the ground subsidence thought to be linked to historic mining operations ...
Daily Mail on MSN
Sinkhole swallows up road-sweeper truck
A road-sweeper truck driver was suffering from shock after his vehicle was swallowed up by a sinkhole in Porth, in Rhondda, South Wales. He didn't suffer any injuries but the council evacuated nearby ...
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