An "incident" at Oakwood Prison near Wolverhampton has been "resolved successfully" according to a spokesman for G4S, the company that operates the facility.
This incident was resolved successfully at 2.10am.
Police and internal investigations will now take place. It would be inappropriate to comment further until these have been completed.
More top news
The safety of the plane was put at risk by distraction caused by monitoring the drones, a report into the incident has found.
People reported that their cash 'disappeared into thin air' as one described it as an 'absolute disaster'.
Ian Paterson was convicted of 17 counts of wounding with intent and three counts of unlawful wounding.