A person has been arrested after reports a stolen car hit a group of cyclists, with five people hurt.

A dog was also killed at the scene during the incident in the Auckland suburb of Epsom, RNZ understands.

It's understood a man allegedly stole a car before he crashed into a group of cyclists.

**Petrol station worker Manthan Patel said he heard a "crazy" sound before he witnessed a man driving a car crash into another vehicle.

He said the man then got out of the car and attacked a dog.**

"There was a guy shouting in the streets next to where I'm working.

"It seemed as though he had no pants on."

Soon after, customers told cafe staff that the man had crashed a car and punched a woman, she said.