Some legal experts are concerned proposed changes to the law could curtail freedom of speech

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Opponents of gay conversion practices may need to be careful about criticising its promoters under new anti-discrimination laws expected to pass New South Wales parliament, legal experts have said.

On Wednesday, the Minns government’s religious vilification bill passed the lower house with backing from the opposition. The bill would amend the existing Anti-Discrimination Act to make it unlawful to vilify people or organisations on the grounds of their religion and was expected to pass parliament on Thursday night.

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