Police also have referred a 13-year-old to Youth Services after a burglary and arson to Riverslea School, Mayfair, Hastings on Sunday.
It was the second arson within two weeks at the Riverslea School, which suffered moderate damage.
Three or four youths had allegedly entered the school grounds about 11am, breaking into an office, stealing property and damaging a worm farm before setting fire to several areas including heaped-up vegetation placed against a classroom.
Vining said police believed others were involved and were still investigating.
Police are still seeking a man who was armed with a knife when he entered the Pita Pit on the corner of Kennedy Rd and Georges Drive. He demanded money from the sole staff memberthen left the store with a small amount of cash heading in the direction of Thackery St.
The man was wearing dark-coloured clothing, gloves, one black sock and one white sock and no shoes. He was carrying a black Puma backpack.
Police are searching for a light coloured (possibly grey or silver) people mover, possibly a Honda Odysseyseen on Georges Drive before the robbery, with two males, possibly of Maori descent, in the front seats.
Further surveillance stills of the individual who robbed the store will be released when available.
• Anyone who has information about the damage to Riverslea School, is encouraged to contact Vining at the Hastings Police Station on (06) 831 0700 or Crimestoppers anonymously on 0800 555 111.