New Zealand Prime Minister Jacinda Ardern, who has overseen her country's world-leading response to the coronavirus pandemic, has tested positive for Covid-19, her office announced Saturday.

The horrific Christchurch attack that took away at least 50 lives was one of New Zealand's darkest days.

With a mock security pass that lists her as the "First Baby" of New Zealand, 3-month-old Neve Te Aroha made her United Nations debut on Monday when her mother - Prime Minister Jacinda Ardern - spoke at a peace summit in the General Assembly.

New Zealand Prime Minister Jacinda Ardern gives birth to her first child, a girl, today, Ardern said in a posting on Instagram.

New Zealand Prime Minister Jacinda Ardern says she was pregnant with her first child, prompting an outpouring of support from women's rights groups and labour activists as she declared "I'll be a prime minister and a mum".