Luis Suarez will not be investigated for an apparent stamp on Zenit defender Tomas Hubocan in Liverpool's clash with the Russians in the Europa League last week.
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The Uruguayan was pictured stepping on the Czech Republic international's back towards the end of the Reds' 3-1 win, which was not enough to take them through to the round of 16, as Zenit won on away goals.
Referee Bjorn Kuipers, who is shortlisted to officiate at World Cup 2014, did not punish Suarez during the game, leaving Uefa able to use retrospective action against him.
However, a statement from the governing body to Associated Press claimed their "disciplinary unit has decided not to open a case".
Suarez bagged a double during the game with two marvellous free kicks, but was unable to find a third goal during the game.