Police investigating a serious assault in a city centre bar have released images of two witnesses that could help their investigation.

The incident happened around 11pm on Friday 14 October in Ivory Black, Oswald Street, Glasgow.

Officers previously released images of two men that they would like to speak to in connection with the incident.

The first man is described as white, aged between 25-35 years old, 5ft 8, medium build with dark hair.

He also has two full sleeve tattoos on his arms.

The second man is described as white, aged between 25-35 years old, around 6 ft 2 inches tall, short or shaved reddish hair with a stocky build. 

Images of two women that Police believe may have witnessed the incident have now been released.

Anyone with any information about the incident or who recognises those shown in the images is asked to contact Detective Sergeant Alister Thom at Glasgow City Centre Police Office on 101. 

They can also call Crimestoppers on 0800 555 111 where information can be giving anonymously.