Police are appealing for witnesses and sightings of a white car, after four men armed with a hammer and tyre iron held up a Northland store.

The incident happened in the Far North town of Kaikohe on Tuesday about 11.20pm.

Police said the aggravated robbery involved the four men entering the store on Broadway, allegedly jumping the counter and taking items, including cigarettes and cash.

Police are appealing for information or sightings of this white Toyota Aqua, with registration PSR418, allegedly used in an aggravated robbery in Kaikohe on Tuesday night.

A staff member had to run to the back of the shop and lock themselves in.

There were no injuries reported, but the staff member was left shaken.

Police would like to speak with anyone who witnessed the aggravated robbery or who recognises the vehicle allegedly used in the offending.

It is a white Toyota Aqua, registration PSR418.

Anyone with information can contact police online, by calling 105 or by calling Crime Stoppers anonymously on 0800 555 111, using the reference number 250219/8356.

Denise Piper is a news reporter for the Northern Advocate, focusing on health and business. She has more than 20 years in journalism and is passionate about covering stories that make a difference.