Police in Selby are asking if anyone can help identify the man in these CCTV images.
The police would like to speak to him about an assault on Finkle Street in Selby on 17 February when a man was punched in the face as he unloaded his lorry.
Officers are asking members of the public to get in touch if they recognise the man as they believe he will have information that will help the investigation.
Anyone with any information is asked to email Teri.MaddoxCliff@northyorkshire.police.uk or call North Yorkshire Police on 101, select option 2 and ask for Pc Teri Maddox-Cliff.
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111 or online at crimestoppers
Please quote reference number 12230029843 when passing on information.