A 27-year old man is in hospital with serious facial injuries after he was assaulted in the early hours of Sunday morning (4 April).
It happened at around 3:30am in the area of Hope Street.
A 17-year-old boy and a 19-year-old man were arrested in connection with the incident and have been released on bail.
Anyone with information on what happened is asked to call police on 612612 or Crimestoppers anonymously on 0800 555 111.

Guernsey could be disgraced Andrew’s new home - Royal biographer
Government appoints new Havre Des Pas Lido operator
Jersey Chamber of Commerce 'aghast' at recommendation to reject Strive Hotel plans
Politician calls for Havre des Pas lido tender process to be scrapped
Two Jersey rowers make Team GB
Jersey's rate of inflation rises slightly over summer
Committee calls for Deputy Philip Ozouf's suspension
Baby sloth at Jersey Zoo orphaned as mother unexpectedly dies