Police are appealing for witnesses following an assault which took place on Skomer Road on Friday evening.
Police say the incident took place at approximately 11:20pm.
A 43-year-old man from Barry has been taken to hospital with a significant head injury.
South Wales Police confirmed that a 30-year-old man from Barry has been arrested on suspicion of inflicting grievous bodily harm without intent, and is currently in police custody.
Anyone who witnessed the incident or recorded any footage is asked to contact South Wales Police via 101, quoting 2600229849.

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