Pauline Hanson

Child marriages and polygamy could be allowed under the Marriage Act unless marriage equality is defined in the constitution, according to One Nation senator-elect Pauline Hanson.

The re-election of the Coalition government means that Australians might go back to the polls before the end of the year to vote on whether to legalise same-sex marriage in a plebiscite estimated to cost at least $160 million (that's just for the AEC to run the poll, not including potential costs for the yes and no cases).

[How Coalition homophobes could set marriage plebiscite up to fail]