A man was taken to a London hospital with serious injuries after he was reportedly punched and kicked by two people in a car park.
The incident happened in Shooters Hill, Dover, between 7pm and 7.30pm on Wednesday.
The man remains in hospital, where his condition is described as stable.
Emergency services were called to the scene, and a 37-year-old and a 35-year-old man, both from Dover, were arrested.
They have since been released on bail.
A police spokesman said: “Officers would like to speak to anyone who may have seen the altercation or who may have information about the incident.
“Call Kent Police on 01843 222289, quoting 46/118366/25.
“You can also call Crimestoppers anonymously on 0800 555111 or complete their online form.”
