Moo's that? Local resident Pam Protheroe saw this bull in her garden.

A woman says she's glad she "wasn't wearing red" after coming face to face with a bull on the run from a crashed trailer near Upper Hutt.

Pam Protheroe​ said all hell broke loose on Tuesday evening, with a group of men yelling at her gate near Blue Mountains Rd in Silverstream.

Protheroe went outside to investigate, then turned around to see a "baleful" black bull near her front door.

JARED NICOLL/Stuff.co.nz Farmer Luke Wood is working to get the bulls out of the dark, steep bush safely after a truck's trailer rolled on Blue Mountains Rd in Upper Hutt.

A group of men trying to round up at least 15 of the beast's brethren asked Protheroe if she was happy to have them all in her garden overnight. She declined.

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The bull was loose after a truck trailer rolled on the narrow road, setting about 16 cattle loose and leaving three trapped.

ROSANNE RIX A cattle truck is blocking the road and a trailer is hanging over the edge of Blue Mountains Road in Upper Hutt.

The road was closed after the 4.45pm crash but reopened several hours later. A crane will be brought in on Wednesday to remove the trailer.

As the other escapees wandered nearby, Protheroe's peckish visitor ate one of her bushes before hoofing it.

"He gave me baleful, soulful glares. I felt a connection. He did want to come in because he was right at the door."

JARED NICOLL/ FAIRFAX NZ Some animals were trapped, with others running free near a road north of Wellington.

When the animal "ambled off" Protheroe ran back inside and didn't go out again.

"I phoned my husband up and he said 'It's not the first of April, is it?'

Protheroe said staff from emergency services, animal control and the council were also trying to corral the cattle.

"There were several mud-covered chaps trying to round them up."

Fire Central Communications shift manager Murray Dunbar said "three beasts" were trapped in the trailer, with about 16 in bush and scrub adjacent to the incident.

An NZ Fire Service spokesman at the scene said the truck driver seemed "good as gold" and escaped injury in the cab.



Emergency services had the task of rounding up the creatures - thought to be relatively uninjured - roaming the road and nearby bush as night fell.

Police said there was the potential for the animals to head towards the Pinehaven area.

Animal control and a vet were called to help.

Senior Sergeant Quentin Ward said police were organising equipment to cut the trailer from the truck in order to move it.

A local farmer helped round up the animals, and a temporary fence, possibly electric, was thought to have been erected in a nearby gully to contain the cattle.

The animals were "quite timid", de-horned and probably posed no danger to the public, police added.

The fences would stay in place overnight. Blue Mountain Rd was re-opened by 7.30pm.

A crane was expected to remove the detached trailer from down a bank on Wednesday.