An online petition opposing the legalisation of same-sex marriage has been signed by nearly 20,000 people in its first week.

Conservative lobby group Family First launched the petition on its website last Monday, as part of its campaign against the marriage equality bill put forward by Labour MP Louisa Wall.

The petition statement reads: "I support the definition of marriage in New Zealand being maintained as one man one woman. I oppose any attempt to redefine it."

Note: You have to vote 'yes' or 'no' below or we cannot publish your comment.


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