Police have started an investigation after reports of a rape at Brighton's The Level early this morning (Friday, Sept 16).
It happened between 12.30am and 1.30am and officers have now made three arrests in connection with the incident.
A 47-year-old man has been arrested on suspicion of rape, as well as a 19-year-old man and a 20-year-old man arrested on suspicion of conspiracy to rape.
Police say there will be increased patrols in the area as part of the investigation.
The victim is receiving support from specially-trained officers. Information and support for victims of rape and serious sexual assault is available on the Sussex Police website here.
Detectives have appealed for witnesses or anyone who may have seen something suspicious in the area at the time to come forward.
Anyone with information should report it to Sussex Police online or call 101 and quote Operation Motto.
Alternatively contact CrimeStoppers anonymously on 0800 555 111.