Three men had to be rescued from the water this morning, near Lowestoft's Bascule bridge.
It is believed one of the men, reported to be aged in his late 20s to early 30s fell into the water, prompting two men to jump in after him in an attempt to rescue him.
A member of the public alerted emergency services at around 8.45am reporting a concern over the safety of a man who had entered the water.
A crew from Lowestoft Lifeboat station attended the scene, locating the trio and bringing them to safety, where they were met by paramedics and an ambulance crew.
Police also attended the scene, diverting traffic away from the bridge while it was raised to allow the lifeboat crew to carry out the rescue.
Four vehicles from Suffolk Fire and Rescue Service were also called to the scene but were stood down.
Heavy traffic has built around the area, but the bridge has since been re-opened to traffic.
A spokesman from East of England Ambulance Service Trust said one of the men was taken to the James Paget University Hospital in Gorleston for further care, though his injuries are not believed to be life-threatening.
The other two men were discharged at the scene, with two ambulance, a rapid response vehicle and an ambulance officer in attendance.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here