The reporter in question was Associated Press reporter Rob Harris, who asked him how important Giggs would be against Barcelona at Wembley on Saturday:
Harris: 'The most important experienced player in the Champions League is obviously Ryan Giggs. How important is he for the team on Saturday?'
Ferguson: 'All the players are important to us.'
Ferguson (to press officer): 'The guy that asked the question about Giggsy... the press conference.'
Press officer: 'Which one?'
Ferguson: 'Him that asked the question... who?'
Press officer: 'Oh yeah. I'll tell you later.'
Press officer: 'I'll tell you later.'
Ferguson: 'Is he coming on Friday'
Press officer: 'The guy with the laptop?'
Ferguson: 'Aye. Then we'll get him. Ban him on Friday.'
Harris later posted on Twitter: 'Left #ManUnited training ground. what a day!!'