What did New Zealand PM Jacinda Ardern had to say about the shooting?

Multiple people are dead and one person is in custody after mass shootings in two Christchurch mosques, in what Prime Minister Jacinda Ardern has labelled “one of New Zealand’s darkest days”.
Police have confirmed they are responding to a “serious and evolving situation is … with an active shooter”.
Ms Ardern said neither she or police were yet in a position to confirm numbers of fatalities and casualties.