Four men have been arrested in connection with the incident, two of whom remain in police custody at this time. Gwent Police are appealing for information from anyone who was in the Hospital Road or Mill Road areas between 7pm and 7.30pm. Gwent Police are appealing for information from anyone who was in the Hospital Road or Mill Road areas between 7pm and 7.30pm. (Image: NQ staff)The road remains closed between Mill Road and Hospital Road in both directions, with diversions in place, while more than 15 officers - including forensics - carry out their investigation. Anyone with information is urged to call 101 or contact police through their website or social media, quoting log reference 2600255536.