Tens of thousands on Saturday took to the streets in cities across Europe and Australia as anger mounted over fresh restrictions imposed against a resurgent COVID-19 pandemic. Dutch police faced a second night of rioting — this time in The Hague — after the previous night’s violence in the port city of Rotterdam. Clashes erupted after a day of mainly peaceful protests elsewhere in the Netherlands, with rioters throwing stones and fireworks at police and setting fire to bicycles. Several people were arrested. Europe is battling a fresh wave of infections and several countries have tightened curbs, with Austria on Friday announcing a