President Sergio Mattarella on Thursday condemned what he called the "brutal massacre" of anti-government protesters in Iran.     "Let's think about what's happening these days in Iran: along with the brutal cruelty of the massacre of protesters, covering up what's happening—the street demonstrations, the repression, the killings—has been the primary concern of a regime that, from the beginning, has attempted to block access to sources of information and the dissemination of news," said