A man accused of the murdering a Manchester Metropolitan University lecturer and his family has arrived in court after being arrested in Morocco.
Anxiang Du was driven from London in a convoy of three police cars.
Jifeng Ding, his wife Helen, and their two daughters were stabbed to death at their home in Northampton in April 2011.
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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.