Sky are to review security - and will consider bringing in bodyguards for their pundits - after Roy Keane was headbutted in a hospitality area at Arsenal.
The broadcaster has launched a probe into both what happened and what measures they can take to ensure ex-pros and their staff are kept safe in future.
Met Police arrested a 42-year-old man on suspicion of assault on Monday after the 52-year-old former Manchester United captain was confronted by a man at the top of the West Stand as he was waiting for a lift to take him down to the pitch-side area.