Italy's anti-establishment Five Star Movement (5SM) took a large lead in the first round of voting for the mayor of Rome, in a possible blow to prime minister Matteo Renzi. Some 13 million people, or a quarter of the adult population, were eligible to vote for mayors in around 1,300 towns and cities, with attention focused firmly on a handful of major centres, including the capital. Victory in Rome would be a huge breakthrough for anti-establishment 5SM, which was founded in 2009 by comedian Beppe Grillo and has grown to be Italy's second largest party. A victory by the populist...