Police have released footage of a "despicable" assault upon a man who was sleeping rough.
The CCTV shows two men leaving a nightclub in Worcester, before one of them appears to run towards the victim and stamp on him.
West Mercia police said the incident took place at 3:15am on Friday 6 November last year.
The men they want to speak to in relation with the assault left the Bushwackers nightclub on The Trinity before making off in the direction of St Nicholas Street.
While the victim did not sustain serious injuries, he was left shaken by the incident, police said.
PC Catherine Broadfield said: "This was an unprovoked and violent attack against a vulnerable man. We are keen to hear from anyone who may have witnessed the assault or who may recognise the men in the images to please contact police. This was a despicable act and behaviour like this will not be tolerated."
Anyone with any information is asked to call police on 101, or anonymously via the charity Crimestoppers on 0800 555 111.
Mel Kirk, manager of the Worcester-based homeless charity Maggs Day Centre, told BuzzFeed News the violence on display was "deplorable".
"I have heard lots of cases since working in the homeless sector of attacks like this, or even worse," she said. "Just because it is a person that is homeless does not give people the right to attack them."
Kirk added: "We are human beings, without stopping and talking and getting to know that person's story – we should not judge and assume that it is their fault they are in that situation.
"Please help to apprehend these two individuals in an attempt to show people who think this sort of thing is funny – that this cannot be tolerated."
Matthew Champion is a deputy world news editor for BuzzFeed News and is based in London.
Contact Matthew Champion at firstname.lastname@example.org.
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