For the first time since Scottish devolution nearly 25 years ago, Westminster has blocked a bill, which concerns transgender rights, from getting royal assent. Westminster is objecting to the Gender Recognition Reform Bill on the grounds that it would have a "significant impact" on GB-wide equalities. But Scotland's First Minister Nicola Sturgeon says the veto is an attack on democracy. On the Sky News Daily, Niall Paterson is joined by political correspondent Joe Pike to unpack the unprecedented row. He's also joined by lecturer in law at Glasgow Caledonian University, Andrew Tickell, to discuss the legalities of a constitution in crisis. Producer: Emma Rae WoodhouseEditor: Philly Beaumont