Men still unidentified after six stabbings in Sheffield bar

The men were involved in an attack at Crystal on Carver Street in the early hours of New Year's Day, which left two men fighting for life.

LISTED: These are the 10 most crime-ridden streets in SheffieldFour others also suffered stab or slash wounds in the attack.

Violence flared at the top of a flight of stairs in the House of Hugo section of the bar on the third floor of the venue.

REVEALED: These are the police’s NINE most wanted men and women in South YorkshireAll of the victims were from Birmingham and detectives believe the incident may have been gang related.

Crystal closed after the attack but was allowed to re-open after a review of its licence when the owners agreed to step up security.

Door staff now use search wands and ID scanners, and drinks have to be served in plastic glasses after midnight.

POLICE: Investigation into death of man on Sheffield Parkway continuesThere have been a number of stabbings in Sheffield city centre over recent weeks.

On October 1 last year, two men were knifed in Area nightclub on Burgess Street, near Barker's Pool in the same weekend that three men were stabbed in Carver Street and another three were stabbed in Division Street.

In the early hours of December 23, four men were found with knife wounds on the Wicker in an incident believed to be connected to a disturbance at Niche nightclub on nearby Walker Street beforehand.

Anyone with information about any of the incidents should call South Yorkshire Police on 101.