Athletic Bilbao boss Ernesto Valverde has called out his club's own fans as 'embarrassing' for causing carnage after their Europa League win against Rangers.
The Spanish side eliminated Barry Ferguson's men in the quarter-final after a 2-0 win at their San Mames ground.
But there were clashes between fans and police after the match, which resulted in six arrests and a dozen injuries, including police officers.
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And Valverde wasn't happy with the ultras section of the Athletic fans for causing mayhem.
He said: "It had nothing to do with football - it has to do with something else.
"There are people who use it for their own interests or to film it. They use football for that.
"For those of us who are inside the club, it embarrasses us.
"I don't want a party to enjoy and then have people who spoil it. The people who do this need to be educated."
Bilbao will host the final next month - the first time they have hosted a major tournament final.
