An appeal for witnesses to a brawl in a Pagham street has been made by the police.
A 27-year-old man received a serious head injury during the fight in The Causeway.
It happened about 6pm on April 6.
A Sussex Police spokeswoman said: “It is thought that two groups of men were involved in a fight in the street. Two other men received minor injuries.
“The man with the head injury was taken to St Richard’s Hospital where he is still receiving treatment.”
Two men, aged 19 and 23 from Bognor Regis, have been arrested on suspicion of causing grievous bodily harm. They were in custody on April 7.
Anyone with information about the assault should contact Sussex Police on 0845 60 70 999 or the Crimestoppers charity on 0800 555 111.