Pro-Ukraine protests erupted across the world on Saturday, as thousands took to the streets from London to Rome to Barcelona to denounce Russia’s assault on its neighbour. Moscow’s invasion has sparked global outcry and prompted punishing sanctions from the West, including some against Russian President Vladimir Putin himself. On Saturday, rallies were held in cities across the world to join the chorus of condemnation and urge an end to the bloodshed. Switzerland saw thousands of people gather across the country, including about 1,000 outside the United Nations’ European headquarters in Geneva…