A man badly beaten in broad daylight in Nelson's Anzac Park locked himself in a public toilet to escape from his attackers.
A one-metre-long round wooden pole is believed to have been used in the violent attack on the 53-year-old Nelson man and police are still looking for the weapon.
The victim suffered several injuries including a shattered right arm which he will undergo surgery on today
He also received serious bruising to his left arm, ribs, stomach and legs, bruising and swelling to his eye and a serious laceraton on his forehead.
Bystanders described seeing an injured man run into a public toilet to escape from three men who were chasing him about 12.40pm yesterday.
One witness, who did want to be named, said the injured man's face was "munted" and it looked like his arm was broken.
Another said she saw three men trying to kick down the toilet door to get at the man who had run inside.
"He'd done something they were not happy about," she said.
"They asked him not to do it again."
One of the three men was seen fleeing from the scene after hearing sirens.
"He was a big fat guy. He ran through the [nearby] Warehouse car park," the witness said.
Police and paramedics responded to multiple 111 calls.
Acting senior sergeant Blair Hall said the victim was found by paramedics inside the public toilet. He had serious injuries to his face and arms.
He was in a stable condition in Nelson Hospital and police planned to speak to him today.
Police arrested two Nelson men, aged 29 and 32, who are jointly charged with wounding with intent to cause grievous bodily harm, and were to appear in court today.
Five police officers, including a photographer, examined the scene yesterday afternoon.
Police still want to speak to other people who were present at the time the assault took place.
Detective Sergeant Lex Brunning said police received several calls from people who saw the attack. "We're very grateful to those people for calling police immediately and we are working our way through the interviews with those witnesses," he said.
Police asked anyone who saw the assault or who has information that may be relevant to this investigation should contact them 546 3840.
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