A woman's jaw was broken in a violent assault at a popular Blackpool nightclub.
The incident happened at the Flamingo Nightclub on Queen Street at around 5.30am on Sunday.
Police are now trying to trace two men following the crime.
One of the men, who is black with short black hair and was wearing a white T-shirt and blue jeans, is wanted in connection with the assault. The other, who is white with brown hair and was wearing a grey shirt and jeans, may have witnessed what happened.
Anyone who recognises either of the men is asked to contact the lead investigator, detective constable Ryder-Jones, by calling 07967820375 or emailing firstname.lastname@example.org quoting the log number LC-20180722-0858. People can contact Crimestoppers anonymously on 0800 555111.