Police have confirmed a man has been shot at Henderson police station in west Auckland after he got out of a vehicle holding a firearm.

He was challenged by armed police and was shot.

Police say that just after 10am, a man has attempted a robbery at Henderson Valley petrol station.

Police say shots were fired during the attempted robbery at the Henderson Valley Rd Gull service station. Photo / Hayden Woodward

A firearm was discharged during the incident, however there are no reports of any injuries at the petrol station.

Police have immediately responded and tracked a vehicle of interest.

On multiple occasions this man has fired shots at Police, Superintendent Naila Hassan, Waitematā District Commander said.

Video provided to the Herald shows a police car blasted by a shotgun.

This image shows a police patrol car was struck by gunfire, with the damage suggesting it was caused by shotgun pellets.

The man has continued to be tracked travelling through the area, Hassan said.

Police said the man then drove to the Henderson Police Station where he has exited his vehicle holding a firearm and was challenged by armed police staff.

A man fired shots during an attempted robbery at the Henderson Valley Rd Gull service station. Two Armourguard vehicles can be seen parked in the forecourt.

”The man has not engaged with our staff and has been shot,” Superintendent Naila Hassan, Waitematā District Commander said.

”First aid is currently being provided to this man. Police are advising the public to stay away from the area.

Witness’ terror

A witness to the initial incident at the petrol station said “it was scary”.

“Out of nowhere ... everyone was running and yelling, ‘Get down, get down’. I jumped in my van and hid down.”

The eye witness said there were already armed officers at the scene when a black car went around the roundabout near the service station and came to a rapid halt.

She heard the sound of faint gunshots.

The person then left the scene, chased by police.

“A co-worker had to pull over because they were shooting in the street.

”I’m still shaking.”

A guest at Hotel Quest in Henderson told the Herald it was terrifying moment when she was told by her hotel manager to keep inside while an active shooter was on run.

“My room is on the corner so I was able to view what was happening outside.

About 10.30am police stormed the street and four police cars and 20 armed officers were on the scene.

" The hotel manager told us they were after a man who had robbed a petrol station nearby and shot at the police station.

“He told us to stay inside. Police have still blocked the road from both ends,” she said.

Streets blocked off

Police officers have cordoned off streets in Henderson while they interview members of the public. Some buses have been diverted as a result.

A motorist who was travelling through Henderson said she saw a police car hit by the shotgun pellets.

”I asked a police officer is that from now and he said, ‘yes they were shooting at us but we’ve got him now’.”The woman said it was at the roundabout at Alderman Dr, Henderson.She said there were at least 15 police cars in the area.

The wail of sirens were continuing to ring out with many roads blocked in the suburb.

Armed police are stationed at a cordon surrounding Henderson police station. Photo / Alex Burton