Arsenal manager Arsene Wenger said if a football manager goes "overboard" on the touchline they should be "punished".
"The rules are the rules", he added.
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A man has died and two others have been injured in a stabbing outside Parsons Green Tube station.
Dany Cotton says referring to 'firemen' reinforces the stereotype that only men want to work in the fire service.
His heart completely stopped and one of his teammates performed CPR until paramedics arrived.