Arsenal missed the chance to return to the top of the Premier League as they slipped to a disappointing defeat to West Ham amid more VAR controversy.
Mikel Arteta insists Arsenal are prepared to dip into the transfer market in January if his squad remains as "exposed" as in recent weeks.
Jurgen Klopp was left confused after Liverpool were denied a penalty for handball in their 1-1 draw with Arsenal at Anfield.
Arsenal moved back into top position in the Premier League after drawing 1-1 with Liverpool at Anfield on Saturday night.
Liverpool manager Jurgen Klopp insists there is no point in using their top-of-table clash with Arsenal as a gauge for the title race.
Mikel Arteta has challenged his Arsenal side to end another hoodoo and win at Anfield for the first time in 11 years.