Serious hamstring injury set to sideline Roberto Firmino for some time

Roberto Firmino is injured (Mike Egerton/PA)

Liverpool manager Jurgen Klopp has revealed Roberto Firmino’s hamstring injury is “serious” and will mean an extended period out beyond the forthcoming international break.

The Brazil forward lasted just 33 minutes as a half-time substitute in the midweek Champions League win over Atletico Madrid before he was forced off.