Inside HMYOI Aylesbury, in Buckinghamshire. File pictureCredit:Andrew Aitchison /Corbis/Getty “So they can shower and exercise but then have been locked up all week. They had one shower on Monday and nothing since.”On Saturday they weren’t allowed the weekend association where they can play pool, etc. This morning, they were allowed another shower but, when they were told they were going to be locked up again, with no explanation, lots of them refused to go back.”A Prison Service spokesman said the disturbance was “confined to one area” of the institution.The four officers were taken to hospital with minor injuries before returning to duty. The spokesman said: “Prison staff at HMYOI Aylesbury have successfully resolved a brief period of indiscipline today involving a small number of offenders on one wing.” Prison guards were injured in a riot at a young offenders’ institution in which inmates reportedly threw paint and smashed fire alarms.Offenders are said to have “trashed” a wing at HMYOI Aylesbury, in Buckinghamshire, in protest over a lack of showers and time out of their cells.The Prison Service confirmed that four officers suffered minor injuries in the disturbance on Sunday.A source told the BBC that inmates “trashed” E wing, adding “they’ve thrown paint, smashed fire alarms and broken cameras”.”There’s a new regime and they aren’t allowed any association during the week,” a woman whose partner is an inmate told the BBC. When they were told they were going to be locked up again, with no explanation, lots of them refused to go backpartner of Aylesbury inmate The Prison Service added: “Offenders who behave in this way will be punished and may face extra time behind bars.”Up to 70 inmates aged up to 21 are housed on E wing at HMYOI Aylesbury. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.