The incident is unfolding on Precelly Place in Milford Haven, where Dyfed-Powys Police have closed off the road and are urging members of the public to avoid the area. A spokesman for Dyfed-Powys Police said: "Please avoid the area due to officers dealing with an incident. Eyewitnesses at the scene have reported a significant emergency services presence, though the nature of the incident has not been confirmed. It is also unclear whether other emergency services are involved beyond those already seen. The Western Telegraph is in contact with emergency services and will continue to provide updates as more information becomes available.