The Armley Gyratory is closed to traffic with police advising motorists to avoid the area where possible.
The burst pipe is causing traffic to crawl in both directions, with police on the scene to direct motorists.
READ: Leeds mum still going strong 25-years after op to remove rare brain tumourIt is thought the burst main in near the prison on Canal Street and is sending torrents of water towards Armley Gyratory.
The fire service and Yorkshire Water are also at the scene.
More as we have it.