South Wales Police officers are investigating an assault which happened on King Square, Barry, on Wednesday, July 12.
Officers were called to the scene at approximately 11.55pm, and a 19-year-old man was taken to the University Hospital of Wales.
The area was cordoned off the following morning while enquiries continued.
On July 14, a police spokeswoman reported:?“An 18-year-old man from Barry has been arrested and released on bail in connection with an assault which occurred on King Square, Barry, on July 12.”
Anyone with any information that could assist with the investigation is asked to contact 101, quoting reference 1700271464.