A police investigation is ongoing after a 28-year-old man was found seriously injured near the Clachan Bar in Weavers Lane, Whitburn, at 7.30pm on Saturday.
He was taken to the Western General Hospital in Edinburgh with serious head and face injuries which are not life-threatening.
Two people have been arrested in connection with the incident.
Chief inspector Paul Batten said: “While we currently have a 35-year-old man and 39-year-old woman in custody, we are still working to establish exactly what has happened during this assault. “Anyone with information that can assist our ongoing inquiries should contact police immediately.”