Jurgen Klopp praised Liverpool's attitude after they had to "squeeze it" to get the better of West Ham in a five-goal thriller at Anfield.
The table-topping Reds went ahead early on through a Georginio Wijnaldum header, only for their struggling opponents to threaten an almighty upset.
After Issa Diop levelled just 174 seconds after the opening goal, substitute Pablo Fornals – who replaced the injured Tomas Soucek early in the second half – had West Ham ahead, the Spaniard turning in Declan Rice's cross.
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However, Lukasz Fabianski gifted the hosts an equaliser when he allowed Mohamed Salah's shot to squirm through his legs, with the goalkeeper then also caught out of position for Sadio Mane's 81st-minute winner.