Police are hunting for four people over an alleged racially-aggravated assault on a barman in west London.
A man in his 20s reported being racially abused and assaulted at a pub in Portobello Road, Notting Hill, on February 15.
He also reported having jewellery stolen from him in the pub at around 11.30pm.
The incident was reported to police the following day but no arrests have yet been made.
Detectives have now released images of four people they would like to trace.
Scotland Yard described the first man as white, aged in his mid- to late-30s with shoulder length, dark hair.
The second suspect is white, in his mid to late 30s with short hair.
The third man is white, aged in his early 30s, of muscular build with short hair. He had a tattoo on his right arm above the elbow.
The fourth man is white, aged in his early 30s, and had dark hair.
Anyone who recognises those pictured is asked to contact the Central West robbery team on 0207 321 8015 quoting CAD 31 of February 16, or call Crimestoppers anonymously.
