Brazil decrees three days of mourning for UN envoy Brazilian President Luiz Inacio Lula da Silva has decreed three days of official mourning for Sergio Vieira de Mello, the United Nations' envoy who was killed in a suicide bombing in Baghdad. The president called Mr Vieira de Mello a "victim of the insanity of terrorism". Vieira de Mello, a Brazilian and the country's most prominent international diplomat, was killed when a truck filled with explosives blew up outside the hotel where the United Nations has its Baghdad offices. President da Silva was told of Mr Vieira de Mello's death during...