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Were Arsenal lucky not to give away a penalty?

ByDale JohnsonFootball issues correspondent

Bradley Barcola delivered a cross into the Arsenal penalty area, with Liverpool striker Alexander Isak seemingly ready to nod home an equaliser.

The Sweden international just failed to get his head on the ball, and it drifted out of play.

Isak simply turned around to make his way back up the field in readiness for the goal-kick.

Nothing to see here.

Or was there?