Health minister Norman Lamb told the BBC he is "very interested" in banning the use of face-down restraint. He said: "If that is possible, it should be done."
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Figures suggest that more than 11 million homes, or 42%, are in credit to their energy company.
Undivided, which represents more than 4 million young people, has set out its top issues in an open letter to political leaders.
John Wombell, 58, was jailed for eight weeks after admitting making the grossly offensive call to the Broxtowe MP's office last November.