Police are investigating an incident at Full Sutton Prison near York involving three prisoners which broke out on Sunday afternoon.
A prison service spokesman said it took more than four hours to resolve after staff intervened. Newspaper reports suggest those involved were Muslim.
More top news
Young cancer patient Bradley Lowery stole hearts while on the Wembley pitch with the England squad.
Two teenagers found dead at the foot of a sheer drop at Huntcliff have been named as 17-year-olds Alex Yeoman and Harry Watson.
Emma Jesson brings you Sunday's forecast