Andoni Iraola has fumed over Alexander Isak not being awarded a penalty for a shirt pull in Liverpool’s 1-0 defeat to Arsenal , claiming that players “have to dive” to get referees to take action.

Liverpool were beaten by Arsenal at Anfield for the first time since 2012, with Kai Havertz ’s early goal proving the difference.

The hosts fought breathlessly to find an equaliser which didn’t come, but they were left frustrated after having two penalty appeals waved away by referee Andy Madley in the first half.

Cody Gakpo was left furious after going down under the challenge of Christos Tzolis, though the more convincing claim saw Isak pulled back by Jurrien Timber in the box, despite the Swede not actually appealing for a spot-kick himself.

Liverpool manager Iraola told BBC Sport : “There is a clear grab [of] the shirt. Alex [Isak] was just in front of him, he was going to head in front of the goal but couldn't because he had the shirt.…