A woman is in hospital and three people have been arrested after a stabbing outside a downtown nightclub.

Police were called to the area of Bathurst and College streets at about 2:30 a.m. after a 21-year-old woman was beaten and stabbed following a confrontation with a group of people outside the nightclub Nest.

She was rushed to a trauma centre with serious but non-life-threatening injuries, according to officers at 14 Division.

Two women and one man, all in their early 20s, have been arrested.