Christchurch police are investigating an incident where a man presented a gun to a shop attendant after stealing Ice cream.

 A police spokeswoman confirmed the incident took place at the QE2 Food Market on Travis Road about 9.30am.

She says a man stole an ice-cream from the store and on the way out has shown what was thought to be a firearm.  

The police spokeswoman says the offender didn’t make any threats or point the weapon at anyone.

 She says police are making enquiries to locate the man using CCTV footage.