An undercover sting led by grassroots volunteer group Vape-Free Kids NZ has unveiled more than 20 stores across Auckland, Wellington and Christchurch selling IQOS heated tobacco devices.

PMI hopes that by rolling out IQOS, it can grab a 10% share of the lucrative ... If the trend continues, Americans will be more likely to reach for a vape or nicotine pouch than a cigarette ...

Sales of IQOS now rival its best-known cigarette brand ... IQOS in the US and for BAT to sell the latest versions of its vape and heated tobacco products in Europe and the US.