New Zealand terrorist attack was unexpected, no one was on terrorist watch list
02:39NBC News correspondent Sara James reports from Christchurch, New Zealand, where a terrorist attack left 49 dead and dozens more injured on Thursday. The close-knit community of Christchurch was on lock-down following the attack that took place at two mosques during community prayers. "This is one of the darkest days in New Zealand history," said Prime Minister Jacinda Ardern.