Two workers at the barbershop said four young people stormed the store about 3pm.
A worker in the store at the time said a colleague “got a slash” across his hand and confirmed the victim was recovering in hospital.
A shop worker across the road from the alleged incident told the Herald he saw an employee at the Fade Master barbershop get attacked with a machete.
He said a group of young men were parked in front of the shop before the attack and quickly fled the scene.
The incident happened less than 100m from Avondale Primary School.
The barbershop is located near the intersection of Great North Rd and Rosebank Rd in Avondale. Photo / GooglePolice tape remains around the barbershop and several officers are standing guard outside.
About 1km away, a police presence surrounded a home.
Police told the Herald the address was connected to the alleged offenders who fled the scene of the attack.