Police said it has come to notice in the last two days that some "miscreants" were attempting to promote enmity and hatred with an intention to incite violence, by "posting false information in the social media relating to incidents in Karnataka over the Cauvery issue".
"Such acts are considered as serious offences under penal laws and offenders will be prosecuted accordingly. Stringent legal action has already been initiated against such miscreants who had committed such acts," a city police release said.
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"The Commissioner of Police (S George), Greater Chennai has requested the public not to be carried away by such false propaganda, and desist from indulging in such unlawful activities," it said.