A woman was left with a severe gash to her forehead after a glass was thrown in a bar.

Police are investigating an assault which happened at the Slug and Lettuce in Victoria Street in St Albans city centre at around 11pm on Saturday February 2.

Police say a dispute broke out between a woman and a group of people inside a bar.

The victim sustained a gash and she had to go to hospital.

Officers are keen to speak to the woman pictured in the CCTV images as they believe she may have information which could help the investigation.

Any witnesses or anyone with information should contact Detective Constable Tony Kong on tony.kong@herts.pnn.police.uk or call 101, quoting reference 41/11232/19.