MINNEAPOLIS (WCCO) – People who use electronic cigarettes in Minneapolis will have to head outside.

The city announced Friday that it’s updating its Clean Indoor Act ordinance, banning the use of e-cigarettes in all indoor public places as well as places of employment.

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City officials said the ban is going into effect immediately. Public places like stores, restaurants and places of employment can be fined for allowing the use of e-cigarettes.

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To prevent any confusion about where e-cigarettes can and can’t be used, the Minneapolis Health Department will post window decals in restaurants, businesses and other areas where the devices are not allowed.

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Minneapolis joins Bloomington, Duluth, Edina, Boston, Chicago and Los Angeles as cities that have a ban on e-cigarettes.