Energy company Cuadrilla intends to drill at two new sites in Lancashire.
A statement said:
"The company intends to apply for planningpermission to drill, hydraulically fracture and test the flow of gas from up to four exploration wells on each of the sites".
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Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."
Business Secretary Greg Clark said talks with Peugeot's boss over a potential Vauxhall takeover were both "constructive and reassuring".
He served in Margaret Thatcher's Cabinet as Home Secretary in 1989 and was also a former Governor of Bermuda.