Shouting and banging could be heard as a security vans left HMP Ranby where a disturbance involving prisoners is ongoing.
A number of vehicles from the GEOAmey prisoner escort and custody company were seen entering the facility.
When they left a short time later banging could be heard on the sides of the vehicles and shouting from inside was heard.
More top news
Experts have predicted a rise in demand for people in need of mental health support.
Industry body the Rail Delivery Group wants a shake up of transport tax policy to reflect ‘how polluting a journey really is’.
The creature is a new species of theropod, the group that includes Tyrannosaurus rex and modern-day birds.