Similar threats were made as the men demanded cash from the till and searched the premises before fleeing.
"This was a particularly nasty and aggressive robbery which has left the patrons and staff member traumatised.
"Someone will know about this robbery. We want them to watch Police Ten 7 and if they have any information about the robbery, to contact police," Turner said.
Screening time
Police Ten 7 screens this Thursday night, November 23, at the later time of 8.40pm on TV2.
The Crime of the Week component featuring the robbery will be posted on the Police Ten 7 Facebook site once the programme has broadcast, and will be shared on Police Facebook pages.