LOS ANGELES (AP) — Medical marijuana dispensaries in Los Angeles are feeling the effects of a voter-approved crackdown.

Los Angeles City Attorney Mike Feuer says his office is in the process of shuttering 38 pot shops that do not comply with a recently approved municipal ballot measure.

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The Los Angeles Times reports that Feuer promised Friday there will be more prosecutions to come.

Another 42 shops have decided to close since July, when Measure D took effect.

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The law caps the number of nonprofit dispensaries at about 135. There were nearly 1,000 a few years ago.

The city struggled with how to regulate the budding industry until voters agreed to sharply reduce the number of shops, and tax those that were operating legally under state and local laws.

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