They happened between midnight and 1am on Saturday 8 October, in Plymouth city centre. During an altercation between two men, a man sustained a head injury which required hospital treatment. In a second incident, a man sustained facial injuries. Police investigating the incidents would like to identify the man and woman pictured as they believe they may be able to assist with their enquiries. Call police with information on 101, or via our website here, quoting crime reference CR/093068/22.