Police say Wellington Hospital is no longer in lockdown after a gun was fired outside the main entrance this evening about 6pm.
No one has been injured and police say those involved appear to know each other.
Police are still looking for the pair and no-one has yet been arrested. Two officers remain at the hospital.
Te Whatu Ora Capital Coast & Hutt Valley Hospital & Specialist Services group director operations Jamie Duncan said there was no risk to patients or staff.
"While the main entrance will remain temporarily closed, until police have departed, there has been no disruption to services and the hospital continues to operate as normal."
Hospital spokesperson Jamie Duncan said staff who witnessed the incident were being given support.
More to come...