People in Auckland need to work from home where possible. Children are asked not to attend school. The prime minister says the new restrictions will be reviewed every 24 hours.
Prime Minister Jacinda Ardern said Cabinet has decided that from 11.59pm tonight Auckland will move to alert level 3 for three days until midnight Wednesday.
The rest of the country will move to level 2 for the same period. This will be reviewed every 24 hours.
A mother, father and daughter are the three new Covid-19 community cases in Auckland.
The three new cases all belong to a single household in Papatoetoe.
The mother works at LSG Skychefs which services planes at the airport, the father is self-employed and the daughter goes to Papatoetoe High School. Here's what we know about the cases.
Look back at our live blog from this evening below.