Researchers at Durham University have published a major report looking into the dangers of fracking.
They say the process, which involves fracturing rocks to release shale gas, is relatively safe.
But they warn that drilling boreholes, whether for fracking or for any other reason, is potentially dangerous.
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A young couple from Wallsend - Abbie Douglas and Sam Younganan - describe hearing gun shots in the Tunisian resort of Sousse
Temperatures on the rise from Tuesday. Some very warm and muggy nights to come
A British holidaymaker captured the scene on a Tunisian beach after a gunman opened fire at a beach resort in Sousse on Friday.