Thomas Meunier pulled one back for PSG before the interval and, after Firmino – who started as a substitute after sustaining an eye injury in Saturday’s 2-1 win over Tottenham Hotspur – had come on, Kylian Mbappe levelled with just seven minutes left.

Jürgen Klopp’s side refused to settle for a point, however, and Firmino’s stunning, unerring, 92nd-minute finish saw them claim all three.