Two men made off with cash from an armoured van after assaulting a security staff member in Christchurch this morning.
Police said the incident happened in the car park of the McDonald's near Christchurch Airport about 11.40am.
An undisclosed amount of cash was taken.
Detective Damon Wells said it was lucky no one was hurt during the robbery.
"Police and the security company are supporting the staff targeted in this incident."