Fabio Carvalho's last-gasp strike gave Liverpool a dramatic win as Newcastle United looked set to secure a point at Anfield.
Newcastle United's new £60m striker Alexander Isak crowned an impressive debut with a goal to give Eddie Howe's side the lead seven minutes before the break
The 22-year-old signed from Real Sociedad, who only received visa clearance to play hours before kick-off, had a second ruled out for offside before Liverpool mounted the comeback that ended with a familiar Anfield finale.
Liverpool were never at their best after Saturday's 9-0 thrashing of Bournemouth but they maintained the pressure and were back on level terms just after the hour when Roberto Firmino sent a crisp finish beyond Newcastle keeper Nick Pope from Mo Salah's pass.