President Nicolas Maduro told Telesur in an exclusive interview that Exxon mobil has financed a campaign against Venezuela. Pope Francis continues his Latin American tour. In Colombia, Farc guerrilla leaders decided to reinstate a unilateral ceasefire for one month. Russian president Vladimir Putin welcomed the leaders of India, China, South Africa and Brazil at the opening ceremony of the Brics summit in the russian city of Ufa. U.S. boxer Floyd Mayweather has announced he will stage one last fight in september.