Tram services were disrupted after a police incident in Nottingham city centre.
The incident was reported by NET at 7:10pm and stopped services between Royal Centre and Nottingham Station.
NET said: “Due to a Police incident, we have no service between The Royal Centre and The Railway Station, affecting all services.”
Nottinghamshire Police said they were called at around 7 pm and the situation has now been resolved.
Trams are running with extended wait times throughout the network.