Watford fan Nick Cruwys ( pictured ) was left fighting for his life after he was attacked following a match with Wolves . A 13-year-old has now been arrested by police investigating the incident . A 13-year-old boy has been arrested by detectives investigating an attack which left a football fan fighting for his life in hospital . West Midlands Police said officers arrested the youngster on suspicion of assault at an address in Wolverhampton , just before 5am today . The boy is the second person to be arrested by detectives investigating an attack on 44-year-old Watford supporter Nick Cruwys in Wolverhampton on Saturday , after an 18-year-old man was detained yesterday . That man has since been bailed until April 8 . Police described the latest arrest as 'significant ' . Mr Cruwys was tripped and kicked in the head in an unprovoked attack in the street , following Watford 's 2-2 draw with Wolves . The father of two , from Hemel Hempstead , Hertfordshire , was attacked in Little 's Lane , Wolverhampton , shortly after 5pm as he made his way to the railway station with friends . An online appeal to raise funds to help Mr Cruwys , set up by a Wolves fan , has now raised more than £25,000 . After the latest arrest , police directly appealed to anyone involved in the attack to 'do the right thing ' and hand themselves in . Detective Inspector Toni Naylor , of West Midlands Police , said : 'We are pleased with how the investigation is progressing and the arrest of a second suspect is significant . 'But this is not the end of our inquiry , it 's only the beginning . ' I am now appealing to anyone who was involved in the incident to think about their actions and to do the right thing and contact us or hand themselves in to a local police station . 'We will leave no stone unturned to find the people involved and by coming forward you will be in a position to give your side of the story . ' CCTV from outside the football stadium shows the victim laying stricken on the ground after the attack . Mr Cruwys suffered serious injuries in an attack outside Wolves ' Molineux Stadium ( pictured in file photo ) Sorry we are not currently accepting comments on this article .
derby supporter Nick Cruwys was attacked after midnight on Saturday . Police arrested an 18-year - old boy who has since been released . Officers derby police have now arrested a year - old boy .