An incident on Wearmouth Bridge has left a lane blocked as emergency services deal with the situation.
The emergency incident occurred on the northbound carriageway of the A1018 Wearmouth Bridge during the morning rush-hour.
Police cars and a fire engine were at the scene.
Northumbria Police tweeted: "Emergency services currently on scene Wearmouth Bridge, Sunderland dealing with an incident.
"Lane 1 Northbound is currently closed as a result. Lane 2 still running but may be delays in the area."