A MAN from Nuneaton was arrested on suspicion of wounding with intent to cause GBH after an assault.
The incident happened around 9.50pm on Saturday on Purcell Avenue, Nuneaton.
A man allegedly attacked the victim following an argument, leading to a head injury.
The 19-year-old was taken into custody.
Warwickshire Police said it was an isolated incident and there was no wider risk to the public.
Witnesses or anyone with information should call DS Walker from Warwickshire Police on 101 or visit warwickshire.police.uk/report to submit details.
Alternatively, information can be submitted to Crimestoppers by calling 0800 555 111 or online at www.crimestoppers-uk.org