Climate change protesters have been arrested after gluing themselves to a major road in Sydney's CBD, in a demonstration that's since been cleared.

The Extinction Rebellion protesters, some dressed as elves and reindeer, superglued themselves to Pitt St at Martin Place on Friday morning.

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Police responded to reports coal had been strewn across the road.

Vision from the scene shows a makeshift Santa sleigh was on the road, filled with charcoal.

Rescue crews and police used acetone to try to remove the protesters.

Thirteen protesters were arrested, including one dressed as Prime Minister Scott Morrison, and were taken to Surry Hills Police Station.

The protester had been wearing a large headpiece which was chained to their head.

Police used bolt cutters to remove it.

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Pitt St was closed earlier, but has since reopened with traffic returning to normal.