Hibs have launched an investigation after their fans broke several seats at Motherwell's Fir Park stadium during a 2-1 Scottish Cup quarter-final win.
The away support packed out the South Stand in ML1 and were rewarded with a place in this year's semi-final thanks to an Elias Melkersen double.
Joe Efford pulled one back for Graham Alexander's 'Well side, who were down to 10 men inside a minute after a full-blooded challenge from Bevis Mugabi.
They join Edinburgh rivals Hearts in the semi-final but events in the away end have marred an otherwise great day.
Fans smashed seats and threw a flare onto the pitch, with pictures displaying plenty of Fir Park damage.
A steward was also treated for a head injury after an apparent strike from a missile that came from the away end.
Hibs said in their short statement: "We are aware of the incidents in the away end at Fir Park and will work closely with Motherwell FC in an attempt to identify supporters that were involved.
“If any supporter can be positively identified, then the club will take appropriate action.”
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