The owner of an "e-cigarette cafe" has told ITV News that moves by the World Health Organisation today to ban the devices indoors would amount to "taking away the freedom" of e-cigarette users.
Hazel Cheeseman, from Action on Smoking and Health, said it was necessary to "manage what some of the risks from smoking the products might be."
ITV News correspondent Nick Thatcher reports.
More top news
The First Lady's masterly performance, combined with Bernie Sanders' impressive speech, saved a convention that was fraying at the edges.
The High Court will hear a legal challenge to Labour's decision to guarantee Jeremy Corbyn a place on the party's leadership ballot.
Russian Foreign Minister Sergei Lavrov brushed aside accusations that Moscow was behind the hacking of internal Democratic Party memos.