Two people have died in a collision involving five vehicles on the A40. The incident happened between Dryslwyn and Llandeilo at about 4.25pm on Tuesday.
A driver and passenger were pronounced dead at the scene after their silver Vauxhall was impacted during the crash.
Dyfed-Powys Police say that full details of those who died haven't been released but they are believed to be from the Whitland area and next of kin have been informed.
Other vehicles involved in the collision include a Blue Peugeot 307, a grey Mazda motor caravan and a HGV and a DAf lorry.
Police are appealing for any witnesses who may have seen the collision or were travelling on the particular stretch of road at the relevant time to contact Carmarthenshire Roads Policing Unit on 101.