Rome (AFP) – Pro-Ukraine demonstrations erupted across the world on Saturday, as thousands took to the streets from London to New York to Tehran to denounce Russia’s assault on its neighbour. Moscow’s invasion has a sparked global outcry and prompted punishing sanctions from the West, some directed 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. In Switzerland, thousands of people gathered across the country, including about 1,000 outside the United Nations’ Europea…