A man was in a critical condition this morning (Saturday, July 9) after falling from a window in Bognor Regis.
He was taken to a London hospital by helicopter. His condition has been described as critical.
Three men and a woman were arrested on suspicion of assault after the 28-year-old fell onto The Esplanade shortly before 9am.
Anyone with information is asked to call Sussex Police on 0845 6070 999.