Man dead after explosions outside Brazil supreme court ahead of G20

Police name 59-year-old with explosive devices said to have killed himself after trying to enter court in Brasilia

A man killed himself with a bomb outside Brazil's supreme court in Brasilia after trying to enter the building on Wednesday, officials have said, stirring security concerns before the country hosts global leaders from the group of 20 major economies.

The blasts come five days before the G20 heads of state meet in Rio de Janeiro, followed by a state visit to Brasilia, the capital, by the Chinese president, Xi Jinping.