Lawyers acting on behalf of the sponsors of California's same-sex marriage ban say that a judge acted 'prematurely' in allowing the weddings to take place.
Senior Counsel Austin Nimocks, for the Arizona based Alliance Defending Freedom group, said it was "unfair" that the unions were being allowed to take place, while Supreme Court justices were still considering the case.
The group has the right to ask a judge to reconsider their decision, that Proposition 8's backers did not have the legal authority to defend the ban, over the next 22 days.
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The PM faces a countdown to settle a deal before her minority government tries to get its Queen's Speech plans approved by the Commons.
More details will come today on proposals to offer EU residents the right to a new "settled status" in Britain after it leaves the bloc.
Scotland and Northern Ireland could see rain later but for the rest of the UK it should be a fine day.