Three people have been taken to hospital due to reports of a chemical leak at Cardiff Bay today.
Emergency services and an onsite engineer resolved a "small scale gas release" at Queen Alexandra Dock shortly after 11am.
There is no ongoing risk to the public and three workers were transferred to hospital for "precautionary checks", reports Wales Online.
A spokesman for South Wales Fire and Rescue Service said: "At approximately 1050 today, 19th June 2022 we responded to a report of a chemical incident at Queen Alexandra Dock, Cardiff.
"We mobilised a number of fire appliances and specialist crews from Cardiff Central, Whitchurch, Maindee, Pencoed, Penarth and New Inn.
"The incident was a small scale gas release, which was resolved with the assistance of an onsite engineer.
"Three workers have been transferred to hospital for precautionary checks.
"South Wales Police and Welsh Ambulance Service were also on scene. There is no ongoing risk to members of the public in the area."
Locals had earlier been advised to stay away from the area and to keep their windows and doors shut.
A spokesman for South Wales Police added: "South Wales Police were called to reports of a chemical leak on Queen Alexandra Dock, Butetown.
"The fire service have dealt with the incident. Three people have been taken to hospital as a precaution.
"Please avoid the area and keep windows and doors shut if you are in the Queen Alexandra Docks area. Please do not contact our control room in relation this incident."
