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Former Manchester United captain Roy Keane insists supporters responded to his prawn sandwich rant with an 'electric' atmosphere.

Keane slated the Old Trafford atmosphere following United's narrow Champions League group stage win over Dynamo Kiev in 2000, when The Reds avoided elimination with an unconvincing performance.

At the time, captain Keane raged 'you have to wonder do [fans] understand the game of football' and fired a broadside at United's hospitality attendants in the tunnel.

However, the Republic of Ireland assistant manager felt his verbal volley galvanised the United natives three days later.

"It was Dynamo Kyiv we were playing, it wasn't f*****g Altrincham," Keane said at a charity fundraiser for Barrettstown in Dublin.

"We played Middlesbrough the following week and the atmosphere was electric. People forget that... but it was back to before after that."

United recovered from a goal down to beat Boro through goals from Nicky Butt and Teddy Sheringham.

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Keane added United's early 2000 titles were so routine the training games were more competitive than domestic fixtures.

"Saturdays were almost a day off for Manchester United because training games were harder than league games," he added.

In an amusing discussion, Keane admitted '‘If there was social media in my time as a player, I'd be in prison!' and was also asked about his recent Manchester court appearance, where he was cleared of road rage charges.

"I was in court last week because I apparently glare at people.

"My kids always say to me: 'Are you happy Dad?' And I say 'yeah' and they say 'well tell your face'."

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