Eight machete-wielding men were involved in a mass brawl in the middle of a residential street, police said. Officers were called to Car Bank Avenue in Atherton, Greater Manchester at about 11:00 BST on Monday after reports of a collision between three cars, and a group of men fighting in the street.
One man received minor injuries but did not require hospital treatment following the incident, after which the cars were all abandoned in the street.
Any witnesses are urged to call police.
The three cars involved were a silver Fiat Stilo, a black Vauxhall Astra and a blue Vauxhall Omega.
Det Sgt Craig Hurst of Greater Manchester Police said: “This is an unbelievable incident on the streets of Atherton.
“I know the community will be alarmed but we are putting all our efforts into finding those responsible.
“There will be extra police in the area and anyone with any concerns can speak to our officers.”