Brazil arrests former Rio governor in corruption probe

By Rodrigo Viga Gaier and Alonso Soto RIO DE JANEIRO/BRASILIA (Reuters) - The former governor of Rio de Janeiro state was arrested on Thursday as part of a corruption investigation linked to a World Cup project and other works worth billions of dollars, in a blow to Brazil's ruling party that may fuel political instability. Federal prosecutors accused Sergio Cabral, 53, of leading a criminal organization that took 224 million reais ($66 million) in bribes from construction firms in exchange for