Student protesters marched in Milan on Thursday, a day before the 2015 Universal Exposition opens there. Critics denounce corruption scandals surrounding the showpiece event as well as what they see as a waste of public money and the exploitation of volunteer labour. And this is just the beginning. Thousands more protesters are set to demonstrate on May Day itself to mark the opening Security is tight amid fears things could turn ugly. In raids aimed at rooting out potential troublemakers,… READ MORE : http://www.euronews.com/2015/04/30/it... What are the top stories today? Click to watch: • Top Stories euronews: the most watched news channel in Europe Subscribe! http://www.youtube.com/subscription_c... euronews is available in 13 languages: / euronewsnetwork In English: Website: http://www.euronews.com/news Facebook: / euronews Twitter: / euronews Google+: http://google.com/+euronews VKontakte: http://vk.com/en.euronews