At the end of a bad-tempered derby on Wednesday which Barca won 4-1, insults were exchanged by both sets of players in the tunnel after leaving the pitch.
“I am waiting for you, come here. You are a waste of space,” Suarez said, according to the referee’s report following the game.
The Uruguayan will be suspended for the return leg at Espanyol on Wednesday and Barca's next cup match.
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Barcelona will appeal against the verdict, they said in a statement.
(Reporting by Tim Hanlon in Barcelona, editing by Ed Osmond)
