Manchester United players looked on with glum expressions as they were stuck inside the Lowry Hotel as fans clashed with police during protests outside.
The team were supposed to leave for Old Trafford ahead of a 4:30pm kick-off against rivals Liverpool but Sunday's game was eventually postponed after scenes at the stadium had turned ugly.
Premier League officials and both clubs came to the conclusion with police and local authorities that the game should not go ahead after significant delays.
Fans had breached the entrances to Old Trafford and stormed onto the pitch in a demonstration against the club's owners the Glazers.
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