
A complaint of criminal damage to the Manchester City bus is being investigated by detectives.
The image showed damage to the window.
The police said they were still looking for information.
Anyone with footage of the incident should come forward.
After the game, the City boss said members of the crowd threw coins at him, while the Reds said the chanting was vile.
The FA charged the Reds boss after he was sent off for berating a referee's assistant when a foul wasn't awarded for a challenge on Mo Salah.
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