Liverpool are challenging the decision that has seen Manchester City significantly reduce the away allocation for next month's Premier League showdown between the rivals.
The Reds have been handed only 2,382 tickets for the game, which takes place at the Etihad on Saturday, April 1 at 12.30pm.
Liverpool were given an allocation of 2,880 for last season's Premier League clash at City, although that had been cut from 3,028 when fans were last able to attend the fixture in January 2019 after it was classified a "high risk game" by the Ground Safety Advisory Group.
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The latest reduction was agreed between Greater Manchester Police, the local Ground Safety Advisory Group and Manchester City in the wake of recent incidents during games between the two clubs.
In December, Liverpool chief executive Billy Hogan personally apologised to the family of a 15-year-old City fan who was injured when she was hit by a plastic glass weighted by coins thrown from the away section during the Carabao Cup tie shortly before Christmas.
The Reds, though, are unhappy with the reduction for next month's fixture, and said in a statement on Wednesday: "Liverpool Football Club has been informed that its ticket allocation for the forthcoming Premier League fixture against Manchester City on April 1 at Etihad Stadium has been significantly reduced.
“This reduction was agreed between Greater Manchester Police, the local Ground Safety Advisory Group and Manchester City.
“LFC has been in contact with the Premier League and Manchester City to challenge this decision. The club is committed to having as many supporters as possible in stadiums for Premier League away fixtures.”
Liverpool supporters' group Spirit of Shankly have also expressed their displeasure at the move.
"We acknowledge there have been issues involving both sets of supporters in recent seasons, but this course of action is counter-productive," said a statement. "At the corresponding fixture last season, Liverpool fans experienced overzealous stewarding and policing, and were locked in the ground after the match with no access to toilets.
"Such undue treatment of supporters serves only to increase tension, which SOS fed back to Greater Manchester Police at the time. Now, it appears, Liverpool supporters are to be penalised further.
"We understand reduced allocations at the Etihad have also happened to other clubs, which don’t seem to be about away fan behaviour, but poor crowd management."
Liverpool were given an increased allocation of 5,432 for the Carabao Cup tie before Christmas as per rules regarding domestic cup competitions.
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