Detectives investigating an incident at Lucknow Street, Portsmouth are continuing to question two men.
Three men arrested yesterday have been released without charge.It follows a man falling from a third floor window at a block of flats at around 4am on Sunday March 15.
The man is currently being treated at Southampton General Hospital where he remains in a critical condition.
The men still in custody are aged 41 and 31.
Can you help?
Anyone with information is asked to contact CID at Fratton on 0845 045 45 45 or call the Crimestoppers charity anonymously on 0800 555 111. Mini-Com users can call 01962 875000.