ITV's Daybreak has been told of the 'deadly' nature of carbon monoxide fumes, thought to have killed teenager Hannah Thomas-Jones.
President of the Carbon Monoxide and Gas Safety Society, Stephanie Trotter, said there needs to be better government warnings about items like the disposable barbecue.
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West Midlands Police said the car did not stop at the scene of the collision on April 25.
Mayor Joe Anderson has been working closely with former professional boxer and now mayor of Kiev Vitali Klitschko to sort the situation.
Martin Johnson will appear at Sheffield Magistrates’ Court on Friday.