A sinkhole measuring more than 70 metres across has appeared in south-eastern Mexico where it is threatening to swallow a nearby house.
The giant sinkhole, in the town of Juan C Bonilla in Puebla state, started as a five-metre hole but has grown steadily to its present size.
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State and federal authorities have been drafted in to help find out what caused it to develop, and what needs to be done to protect the local population.
