Pembrokeshire A477 caravan fire: police launch arson inquiry, Wales 2026

Key Points

• The entire touring caravan was burnt down in the Nash layby off the busy A477 road in Cosheston, Pembrokeshire.
• Mid and West Wales Fire and Rescue Service teams based in Pembroke Dock were dispatched around 6.55 pm on Tuesday, 8 September 2026, and they left the scene at 7.21 pm that day.
• According to local sources, the caravan was abandoned at the layby owing to its wheel bearing failing and the caravan had been tampered with before the fire occurred.
• The Dyfed-Powys Police suspect foul play and have started an investigation into possible arson.

Wales (Wales Times) September 11, 2026 — A arson investigation is underway after a touring caravan was completely destroyed by fire beside the busy A477 in Pembrokeshire, with police appealing for information from anyone who may have witnessed suspicious activity or holds relevant footage.

The incident occurred at the Nash layby near the Nash Fingerpost junction, close to Cosheston, on the evening of Tuesday, 8 September 2026. Mid and West uk/fire/">Wales Fire and Rescue Service (MWFRS) confirmed that crews from Pembroke Dock Fire Station were mobilised at 6.55pm and used two hose reel jets, two sets of breathing apparatus and a thermal imaging camera to tackle the blaze. Despite their efforts, the caravan was completely destroyed and firefighters left the scene at 7.21pm, according to an MWFRS spokesperson.

As reported by the Western Telegraph, local accounts indicated the caravan had been left at the layby after its wheel bearing broke, and that it belonged to an older couple who intended to retrieve it later. The same local reports suggested the caravan door was found wide open on the morning of the fire and that it appeared to have been broken into before the blaze took hold.

Dyfed-Powys Police have been contacted about the incident and, according to subsequent coverage, are treating the fire as suspicious and pursuing an arson inquiry while appealing for information from the public. No injuries have been reported in connection with the fire.

Who owns the caravan and how was it left at the A477 layby?

Local reporting cited by the Western Telegraph stated that the caravan had been left at the Nash Fingerpost layby on the A477 after suffering a mechanical failure specifically a broken wheel bearing. Those accounts said the vehicle belonged to an older couple who had planned to return to collect it at a later date.

Further local claims, as relayed by the Western Telegraph, indicated that on the morning of 8 September the caravan door was found wide open and that signs suggested it had been broken into before the fire later that evening. These details have not been independently confirmed by police in the material available, but they form part of the emerging picture around the incident.

What did fire crews do at the A477 caravan blaze?

Mid and West Wales Fire and Rescue Service confirmed its attendance and actions in a statement provided to local media. A spokesperson said: “At 6.55pm on Tuesday, September 8th, the Mid and West Wales Fire and Rescue Service crew from Pembroke Dock Fire Station was mobilised to an incident along the A477 near Cosheston in Pembroke.”

The spokesperson added: “The crew responded to a fire involving one touring caravan. Two hose reel jets, two breathing apparatus sets and one thermal imaging camera were utilised to extinguish the fire.” The service concluded: “The caravan was completely destroyed by the fire. The crew left the scene at 7.21pm.”

Why is police treating the A477 caravan fire as arson?

While the Western Telegraph noted it had contacted Dyfed-Powys Police and was awaiting a response at the time of its initial report, subsequent coverage of the same incident describes an active arson investigation and a police appeal for information. The classification as arson typically follows initial scene examination, indicators of deliberate ignition, or intelligence suggesting suspicious circumstances.

Police appeals in such cases commonly seek witnesses, drivers with dashcam footage, and nearby residents or businesses with CCTV that may have captured people or vehicles around the layby before or during the fire. The busy nature of the A477 increases the likelihood that passing motorists may hold useful material, which investigators will wish to review.

What evidence are police seeking from the public?

In line with standard practice for suspected arson on a roadside layby, investigators are likely to seek:

• Eyewitness accounts of people seen near the Nash layby on the afternoon and evening of 8 September 2026.
• Dashcam footage from vehicles travelling the A477 near Cosheston around the time of the fire.
• CCTV or doorbell camera recordings from properties and businesses with views of the layby or approaches to it.
• Any information about prior break-ins or suspicious activity involving caravans left at roadside locations in the area.

Members of the public with information are typically urged to contact Dyfed-Powys Police via the force’s non-emergency channels or through Crime Stoppers, providing incident references where available.

How might the A477 caravan fire affect traffic and local residents?

The fire occurred at a layby beside a busy trunk road, but available reports do not indicate that the A477 was closed as a result. Short-term disruption is possible when emergency crews attend roadside incidents, particularly if lanes are temporarily restricted for safety while hoses are laid and appliances positioned.

For local residents and regular commuters, the main impacts are likely to be heightened police presence during the investigation and potential follow-up enquiries in the area. Road users are reminded to drive cautiously near incident sites and to avoid slowing unnecessarily, which can create secondary hazards on high-speed routes such as the A477.

Background to the caravan fire development

Caravan and vehicle fires at roadside locations in Wales have featured in recent months alongside wider concerns about deliberate fires and anti-social behaviour. In August 2026, multiple wildfires across Wales prompted national alerts and led to arrests on suspicion of arson, including cases involving teenagers. Separately, police in other regions have investigated arson attacks on caravans as part of broader probes into organised crime and criminal damage.

Within Pembrokeshire and neighbouring areas, police have recently dealt with a range of fire-related incidents, from scrap fires producing large smoke plumes to suspicious objects requiring bomb disposal attendance in Haverfordwest. The Nash Fingerpost incident adds to this pattern of fire-related policing work in south-west Wales during late summer 2026.

Prediction: How could this arson investigation affect Pembrokeshire residents and road users?

If the A477 caravan fire is confirmed as arson, the immediate effect is likely to be increased police engagement with local communities and businesses around Nash and Cosheston as officers seek witnesses and footage. Regular users of the A477 may notice more visible patrols near laybys and informal parking areas, particularly during evening hours when such incidents have occurred.

In the medium term, a confirmed arson classification could prompt advice to caravan owners and motorists about securing vehicles when left unattended, especially in isolated or semi-rural laybys. Local authorities and police may also review signage and monitoring around commonly used stopping points to deter break-ins and deliberate fires. For residents, the broader impact depends on whether this incident is linked to other fires in the area; if connections emerge, investigative activity and community messaging on fire safety and reporting suspicious behaviour are likely to intensify.