Poland's fight over its highest constitutional court has turned physical. Riot police guarded the Constitutional Tribunal in Warsaw overnight on Friday after judges backed by the government suspended the court's president, and President Karol Nawrocki pushed his way through to the building in the early hours of Saturday.

The entrance to Poland's Constitutional Tribunal in Warsaw, in a 2016 file photo. Photo: Adrian Grycuk / Wikimedia Commons, CC BY-SA 3.0 PL, modified