Liverpool and United fans were broadly in agreement that this will spell bad news for the Red Devils, who come into the fixture in awful form.
An X user named @PaddyWarburton wrote: "Our thoughts are with Man United at this difficult time."
@_Farid Khan predicted a heavy Liverpool win with: "Full-time: Liverpool 8-0 Man Utd."
A Liverpool fan named @BackseatmanLFC wrote: "Salah's shirt-off celebration in freezing conditions after scoring his third today should be what we use to base his statue off."
A user named @__lilbenny is fearing for United: "Postpone please, these are bad signs we might concede 10 goals."
@Mark_cobbler wrote: "Well that's a shame. Would have saved us the pain if it was off."