Police are keen to speak to this man in connection with an incident which saw another man suffering a head injury and concussion.The 39-year-old man told police he was at Derry's Cross at around 3am on September 17 when he was attacked. It is hoped the man shown in this CCTV still has key information regarding the alleged assault and police would like to speak to him urgently. If you can assist police or identify the man shown, call police on 101 or email 101@dc.police.uk or call Crimestoppers...
