Celtic goalkeeper Viljami Sinisalo was targeted by objects thrown from the stands during the match against Rangers.
The keeper had to remove debris from the pitch after missiles were thrown from the Copland Stand at Ibrox.
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Sky Sports cameras captured Sinisalo removing items from the pitch after they were hurled into the penalty area in the second half.
A glass bottle was amongst the items thrown onto the pitch. Rangers sub Neraysho Kasanwirjo ran onto the pitch to remove the bottle during a break in play.
Commentator Ian Crocker said: "A few things might have been thrown at Sinisalo there, sadly."
