Police have released a CCTV image of someone they want to identify in connection with an assault in Hemel Hempstead.

The incident happened shortly after 1.30am on Sunday, October 4, following an altercation which broke out between a group of people in the High Street. During the incident, a man aged in his 30s was assaulted, sustaining serious head injuries. Two further men sustained minor injuries.

One man was arrested in connection with the incident, while another man was interviewed under caution. Both have been released pending further enquiries.

Police believe the person pictured may have been in the area at the time and could have information to assist the investigation.

placeholder image — Police believe the person pictured may have been in the area at the time and could have information to assist the investigation.

If this is you, or you recognise this person, please report it.

You can report information online , speak to an operator via the online chat service or call the non-emergency number 101, quoting 41/95415/26.

Alternatively, you can stay 100% anonymous by contacting the independent charity Crimestoppers on 0800 555 111 or via their untraceable online form at crimestoppers-uk.org.