From Our Own Correspondent

History has long seen people protest against government-imposed restrictions, designed to stem pandemics. Meanwhile, opposition to vaccination is as old as vaccination itself. Yet anyone who thought rioting in the face of disease was something consigned to the distant past has had a rude awakening this week. There have been violent protests in Austria and Belgium in response to new Covid-related restrictions. However. the most bitter street battles were seen in The Netherlands, where police at one point fired live rounds. Anna Holligan was there.Ever since the coronavirus first appeared, it has caused social division: between those in favour of and against lockdown, or pro and anti-vaccination, and also between those able to carry on working and those who could not. Yet these splits came at a time when many believe the world was already increasingly polarised, and there were signs of that in Chile this week, where the first round of presidential elections were held. Centrist candidates were eliminated, and th