New Zealand Prime Minister Jacinda Arden has cancelled her wedding as the nation imposes new restrictions to slow the community spread of the Covid-19 Omicron variant, she told reporters on Sunday.

New Zealand will impose mask rules and limit gathering from midnight on Sunday after a cluster of nine Covid-19 Omicron cases showed community spread from the North to South islands after a wedding.

A family returned to Nelson in the South Island by plane after attending a wedding and other events....