A Mt Eden bar was held up at gunpoint in the early hours of this morning .
Just after 12am, the De Post Beer Cafe on was subject to an aggravated robbery, police said.
Three men entered the bar, one in possession of a pistol and another armed with a screwdriver.
They allegedly threatened and assaulted three staff members who were in the process of cleaning up, before leaving with an undisclosed sum of cash from the bar safe.
Police were appealing for anyone with information - in particular a family group of patrons who left just prior to the bar closing - to contact the Avondale CIB on (09) 820-5763.