Liverpool have officially submitted a formal request to postpone Thursday's Carabao Cup semi-final first leg at Arsenal, due of a rise of Covid-19 cases within the club.
Tuesday's first-team practice was canceled by the Reds.
Jurgen Klopp was absent from Liverpool's Premier League match against Chelsea on Sunday due to a suspected positive test.
Alisson, Joel Matip, and Roberto Firmino were among the players who did not play, while three members of the coaching staff tested positive.
The departure of Mohamed Salah, Sadio Mane, and Naby Keita for the Africa Cup of Nations has further stretched the Reds' squad.
A Liverpool statement said: "Among the considerations which led to today's application to the EFL is the need for travelling supporters to be given as much notice as possible of any potential postponement.
"With no prospect of the current situation improving ahead of Thursday's fixture and the potential for it to worsen, the club considers it both prudent and reasonable to ask for the fixture to be rescheduled.
"Liverpool FC will offer a further update on the application process, as well as the resumption of training, in due course."
The request was submitted to the English Football League (EFL), with the match scheduled for Thursday at 19:45 GMT at Emirates Stadium.
Liverpool will play Shrewsbury Town in the FA Cup third round on Sunday (14:00) before hosting Arsenal in the second leg on January 13 at Anfield.
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