A 19-year-old man was arrested following a crash on the A470 over the weekend.
Dyfed-Powys Police received a report of a two-vehicle road traffic collision, between Storey Arms and Brecon, at around 7pm on Sunday August 18.
The collision involved a motorbike and car.
Two people were taken to hospital with injuries not believed to be life threatening.
One man, aged 19, was arrested on suspicion of drug driving and has been released under investigation.
The road remained closed whilst both vehicles were recovered and reopened at 12:45am.