The two men who died after taking what police believe were contaminated ecstacy pills have been named as Jordan Chambers and Gareth Ashton.
Jordan, 19, died at the Royal Oldham Hospital on Sunday.
The following day police were also called to the Wigan Infirmary after 28-year-old Gareth died.
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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.