Left to right: Sergio Vieira de Mello's sister; Luiz Inácio Lula da Silva, President of Brazil; Mrs. Gilda Vieira de Mello (back to camera), mother of Sergio Vieira de Mello; United Nations Secretary-General Kofi Annan; Mrs. Annie Vieira de Mello, widow of Sergio Vieira de Mello; and their two sons. (UN Photo #UNE3726)

Secretary-General Kofi Annan, speaking at the vigil, paid tribute to his envoy for Iraq, Sergio Vieira de Mello, killed earlier this week in a massive terrorist bombing, by vowing to honour his dying wish that the UN complete its mission in the war-ravaged nation. Left, beside the Secretary-General is Mrs. Annie Vieira de Mello, wife of Sergio Vieira de Mello. (UN Photo #UNE3728)

Left to right: Mrs. Gilda Vieira de Mello, mother of Sergio Vieira de Mello; Sergio Vieira de Mello's sister; United Nations Secretary-General Kofi Annan; Mrs. Annie Vieira de Mello, widow of Sergio Vieira de Mello, helping to drape the United Nations flag over Sergio Vieira de Mello's coffin. (UN Photo #UNE3731)