Shopkeepers put on notice as council launches crackdown on underage vape sales North Lincolnshire Council FDA releases preliminary rules for flavored e cigarettes to prevent underage sales Clerks part of underage vaping problem, local prevention director says Tempe won't ban flavored vapes, plans to crack down on underage sales New study: 43% of underage e cigarette users report getting their e cigarettes from retail sources Youth have easy access to e cigarettes online through lax age verification and concealed deliveries