Merseyside Police arrest 3 people on suspicion of possessing flares before Sunday's Liverpool-Manchester City game
A 19-year-old man of no fixed abode was also arrested on suspicion of possession of a flare at a sporting event, which was unlit.
Notably, the Merseyside club has failed to score a non-penalty goal in each of their last three meetings with Manchester City.
Liverpool crushed Manchester City 3-0 in the Champions League quarter-final first leg on Wednesday.
Champions League quarter-finals: Early blitz hands Liverpool commanding lead 3-0 over Manchester City
However, a perfect night for Liverpool was marred when Salah limped off with an injury early in the second half.
Mane apologised to Ederson after the Liverpool star was sent off for an ugly clash with the Manchester City goalkeeper.