Christopher Luxon's electorate office has a police presence after a reported bang was heard.

Police begin their investigation at the office in Auckland on Wednesday.
Photo: Stuff/Ava Whitworth

A man has been charged with arson after a fire at the Auckland electorate office of Prime Minister Christopher Luxon.

Detective Inspector Karen Bright said the 24-year-old man would appear in the Manukau District Court on Thursday.

No one else was being sought, she said.

Police were called to the scene on Millhouse Drive in Botany yesterday morning after a person nearby heard a loud bang.

Police cordoned off the building.

A spokesperson for Luxon said no staff were harmed in the incident.

Sign up for Ngā Pitopito Kōrero, a daily newsletter curated by our editors and delivered straight to your inbox every weekday.