WELLINGTON, Sept 26 - Police were called to Tamahere Model Country School, on the outskirts of Hamilton, about 1.20pm on Tuesday.

The principal and some children told police a man was seen in the school grounds, wearing a balaclava, holding an item, and acting suspiciously.

The school went into lockdown but that has since been lifted.

No one was located, a police spokesman said, but police would provide patrols near the school in the coming days.