It comes as Reuters reported that Iran was also set to start a revamp of Venezuela's largest refinery within weeks. Argentina boosts nuclear, space research with South Korea The Argentine government said it had agreed with Korea to deepen research cooperation in space, nuclear and energy matters, following talks which began earlier this week. Brazil riots must be addressed, says Supreme Court judge LISBON - Brazil must make sure it addresses the problems that led to the riots in Brasilia last month, including the "politicization" of the police and the role of social media.