A Ministry of Justice spokeswoman said: "The Government believes that any change to the law in this emotive and contentious area is an issue of individual conscience and a matter for Parliament to decide rather than Government policy."
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Mission Lifeline said it conducted the rescue in international waters and asked for a safe port.
British Transport Police said they are working to reopen the major transport hub.
According to the survey, Britain would vote Remain if a new ballot was held.