Police said they were pursuing a suspected stolen car at around 2.20am when it drove the wrong way down the dual carriageway. A 44-year-old man from Abertillery and a 23-year-old man from Blackwood were arrested on suspicion of a number of offences, including theft of a motor vehicle, driving without insurance, and driving with a controlled drug above the legal limit. Investigations are ongoing and police say they are unable to provide further details at this stage. Earlier this morning, Gwent Police posted on X that the A465 Garnlydan westbound off-slip was closed following a crash. Diversions were put in place, with drivers warned of congestion and advised to avoid the area.