The Labour Party now controls a majority of seats in Parliament, giving it a strong mandate to govern. The 40-year-old Jacinda Ardern has promised to be a voice for all New Zealanders.

Authorities say an 18-year-old Chechen refugee attacked the teacher after a lesson in which caricatures of the Prophet Muhammad were shown. Among those arrested were members of the suspect's family.

Saturday's events drew thousands of demonstrators, mobilized in opposition to President Trump and the likely Senate confirmation of Amy Coney Barrett to the Supreme Court.

A lower court had previously ruled that ballots postmarked by Nov. 2 and received within 14 days of Election Day, the deadline for certifying election results, could be counted.