Four people have been killed in a road crash involving a tanker, a car and a van. Dyfed-Powys Police said two men and two women died following the crash on the A44 between Llangurig and Ponterwyd. An infant girl was seriously injured and has been taken to University Hospital of Wales Cardiff, police said.
A police spokesman said: "Dyfed-Powys Police remain at the scene of a serious RTC on the A44 between Llangurig and Ponterwyd. The collision occurred at approximately 2.55pm this afternoon, and a tanker, a car and a van were involved.
"We can now confirm that tragically two men and two women sustained fatal injuries in the collision, and a female infant has been taken to the University Hospital of Wales Cardiff in a serious condition. Next of kin have been informed and are being supported by specialist officers. The road remains closed and is likely to remain closed for some time - diversions are in place."
A spokeswoman for Mid and West Wales Fire and Rescue Service said two fire engines were sent to the scene of the crash after a call was received at 3.01pm. The appliances, from Aberystwyth and Llanidloes, made the vehicles involved in the accident safe. Firefighters left the scene at 8.29pm.
It is believed those who died are from the same family. The girl, who has head injuries, was airlifted to hospital. The A44 is one of the main roads in mid Wales and links Ceredigion with Powys. A 21 mile stretch of the road is closed.