The summer ball took place at the university on 23 May last year
The jury in the trial of four men accused of raping and assaulting a woman at a university summer ball has been discharged.
The alleged attack took place at the Royal Agricultural University in Cirencester on 23 May.
The judge at Gloucester Crown Court told jurors the trial could not proceed at this stage.
The four accused - three aged 22 and one aged 20 - deny charges of rape and sexual assault.
A 20-year-old woman was allegedly raped and assaulted at the university end of term party.
Thady Duff, 22, of Stubbs Hill Farm, Blunsdon, Swindon is charged with three counts of rape and one of sexual assault
Leo Mahon, 22, of Lawrence Road, Cirencester - whose family home is in Stratford-upon-Avon - is charged with three counts of rape and two of sexual assault
Patrick Foster, 22, of Maldon Road, Kelvedon, Colchester, Essex, is charged with one count of rape and two of sexual assault
James Martin, 20, of Yew Tree Barn, Hook Norton Road, Swerford, Chipping Norton, Oxfordshire, is charged with one count of rape
The trial has been adjourned until Thursday.
