A Carmarthenshire river turned white after a milk tanker overturned on a nearby road.
The A482 at Llanwrda was closed overnight after the accident happened on Wednesday (April 14) afternoon.
Footage of a nearby river shows it has turned milk white after contents of the tanker spilled into the local water system.
May Lewis posted a video on Twitter which shows milky white water flowing over a small waterfall.
National Resources Wales said they were aware of the incident.
A spokesman said: "Officers have been on site on Wednesday to assess the impact and will continue on Thursday morning."
On Thursday, traffic monitoring system Inrix said that the road remained closed between the A40 Llandeilo turn off and Bridgend Inn.
Traffic and travel in your area:
It warns motorists: "Road has been closed since Wednesday afternoon and will remain closed into Thursday morning as the tanker still needs to be emptied and recovered."
Dyfed Powys Police confirmed just before 11am that the road had been re-opened and the tanker removed.
