'Very serious' - Title blow for Liverpool as Naby Keita ruled out for remainder of season while Firmino still struggling
Liverpool midfielder Naby Keita has been ruled out for at least two months with a groin injury which will mean he misses the African Nations Cup.
The Guinea international limped off midway through the first half of the 3-0 Champions League semi-final first leg defeat to Barcelona in the Nou Camp on Wednesday.
He is now likely to be sidelined until the squad return for pre-season training in July.
"It was really unlucky. Bad news, a high-grade adductor injury with the tendon rupture so it keeps him out for at least two months," said Klopp, who will be without the midfielder for Saturday's trip to Newcastle, as well as home games against Barcelona and Wolves on the final day of the campaign.
"Bad news for us and for Guinea with the Africa Cup of Nations coming up. Not nice.
"Very serious. For sure he is not in the best moment. African Cup of Nations was a big target for him."
Roberto Firmino is a doubt for the trip to Newcastle.
The Brazil international tore a thigh muscle in training last week and although he came on as a late substitute in the Champions League defeat in Barcelona, he is unlikely to be risked with the second leg coming up on Tuesday.
Provisional squad: Alisson, Alexander-Arnold, Lovren, Van Dijk, Robertson, Fabinho, Henderson, Wijnaldum, Salah, Mane, Origi, Mignolet, Gomez, Matip, Moreno, Milner, Oxlade-Chamberlain, Shaqiri, Sturridge, Firmino.