From London: A public order incident is underway, causing all traffic to be halted. Footage shared online shows a large group of men, dressed in black, involved in the incident. They are blocking the entrance to a major port, which is a key ferry hub.

The authorities are currently interacting with the group of men, who are wearing masks. The port has confirmed that no traffic is able to enter or leave the area at present.

Further information about the incident is available from the source, including statements from the police and the port authorities.