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Authorities in Indian capital Delhi say they have asked actor Pierce Brosnan to explain why he was in an ad for a local mouth freshener associated with an addictive form of chewing tobacco.

He could be fined 5,000 rupees ($78; £56) or go to jail for two years if he doesn't respond within 10 days, officials said.

It is not clear how this can be enforced if Brosnan fails to reply.

Indian law prohibits all advertisements of tobacco products.

The former Bond actor had condemned the "unauthorised" use of his image in the ad for Pan Bahar in in 2016, when it first appeared.

"We have issued the notice to Pierce Brosnan through the company, and also reached out to him via social media platforms," officials from Delhi's health department told the .

Pan Bahar is commonly associated with pan masala and gutka, a potent mixture of tobacco, crushed betel nut, lime, and clove among other ingredients. It is chewed (and subsequently spat out in bright red streams) by millions of people, who get addicted to its mildly psychotropic effects.

Ashok & Co, the company that produces Pan Bahar, told the ´óÏó´«Ã½ in 2016 that there was no tobacco or nicotine in the product.

Brosnan told that the contract was to advertise a single product - a "breath freshener/tooth whitener" that contained no " tobacco" or any "harmful ingredient."

Both pan masala and gutka have been linked to cancer, with many Indian states banning their sale and running campaigns to discourage people from buying them.