A security guard was attacked during a racially aggravated assault at B&Q Longwell Green.
Avon and Somerset Police has launched an investigation following the incident, on January 26.
Detectives have today (April 12) released a CCTV image of a woman they would like to speak to.
A spokesperson said: "Can you help us to identify this woman? We believe she may have important information that could help us with our investigation.
This is the last thing you would expect to see in a city centre property
"The incident happened at around 3.50pm on Saturday, January 26, when a security guard was racially abused.
"If you have any information please call 101 and quote reference number 5219018736."
You can also contact the independent charity Crimestoppers 100 per cent anonymously on 0800 555 111 or via their Anonymous Online Form .
No personal details are taken, information cannot be traced or recorded and you will not go to court or have to speak to police when contacting Crimestoppers.
