By 1970's Gooner
The fan ran with his arms outstretched in front Arsene Wenger as he sat in the dugout late on in the game at St Mary's.
Footage showed the man being bundled away down the tunnel by two stewards as Wenger and Bould held their arms out in apparent frustration at the intruder.
There is confusion as to whether he is an Arsenal or a Saints fan. It has been revealed that he is from Lymington, Hampshire and was being questioned last night by Hampshire Constabulary officers.
However staff at Saints were subsequently told that the fan was an Arsenal supporter, although Wenger was initially under the impression it was a home supporter.
Police said a 25-year-old man was arrested on suspicion of ''going into an area adjacent to the playing area contrary to the Football (Offences) Act 1991''.
A Hampshire police spokesman said: ''Police have arrested a 25-year-old man from Lymington following an incident on the pitch at St Mary's at the end of the Southampton versus Arsenal match. ''The man remains in police custody. Officers are investigating the circumstances to establish whether any criminal offences have been committed.''
Asked about the incident post-match, Wenger said: ''There was a young boy, yes. I think he was a Southampton fan. He was not aggressive at all. I don't think he said anything. Honestly, he was not aggressive at all.''