Merseyside Police is re-appealing for the public's help to trace a 32-year-old man from the Southport area.
Officers wish to trace Patryk Mikowski after an assault that took place in Southport on 17 October.
Extensive enquiries have since been made by the police to find him, but he remains outstanding, and officers are requesting the public's help.
Mikowski is described as white, 6ft 1in tall, with green eyes, and shaved black hair with an eastern European accent.
Anyone who has seen Mikowski, or who knows of his whereabouts, is asked to call Merseyside Police on the 101 number. People with information can also contact Crimestoppers, anonymously, on 0800 555 111.