The second banner flown over Old Trafford carried the statement 'Fergie Back in 6/1 Paddy Power'.
Manchester United manager David Moyes is under pressure after a poor season.
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David Cameron has pledged to reduce the annual benefits cap to £23,000 "within the first few days" of a Conservative election win.
Ed Miliband is to outline Labour's "10-year plan" for the NHS after warning it faces "its most perilous moment in a generation".
Argentina's president has announced plans to disband the country's intelligence services following the death of a state prosecutor.