A cyclist is in a critical condition in hospital after crashing into a parked bus.
Emergency services were called to the incident on the A483 at Llanbadarn Fynydd, between Llandrindod Wells and Newtown .
Police are appealing for witnesses to come forward.
A spokesman for Dyfed-Powys Police said: "We are investigating a serious RTC involving a cyclist and a parked bus, on the A483 at Llanbadarn Fynydd, at approx 7pm on Wednesday, May 15.
"The cyclist was airlifted to hospital with serious injuries and remains in a critical condition."
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If you see an accident:
Officers are appealing for anyone with information to contact the Serious Collision Investigation Unit by calling 101.
If you are deaf, hard of hearing, or speech impaired, text the non-emergency number on 07811 311 908. Quote reference: DP-20190515-338