A group of 53 leading scientists has written to the World Health Organisation (WHO) urging the body not to classify e-cigarettes as tobacco products.
The experts say e-cigarettes are "part of the solution" in the fight against smoking-related diseases and their use should not be discouraged.
Leaked documents from a WHO meeting suggest the organisation sees e-cigarettes as a "threat" and wants them bracketed along with other products containing nicotine, including regular cigarettes.
More top news
A cold front is sinking its way southwards tonight and bringing steady rainfall for some parts of the UK.
A Freedom of Information request revealed the cost of burying Raymond Morris which included a £15 floral tribute.
The international community is failing refugees from Iraq and Syria who have been displaced by Islamic State insurgents, says UN ambassador.