Horses cause A465 between Hirwaun and Glynneath to shut
A section of a major road which links Neath to Rhondda Cynon Taf was closed because of horses on the carriageway.
Around 10 horses were reported to be causing problems on the A465 between Hirwaun and Glynneath at around 0645 BST on Thursday.
Police closed the road in both directions.
Officers were at the scene directing traffic but the incident was cleared.