Bissau, 04 March-(ANA)-Guinea-Bissau's parliament has elected the speaker as the West African state's interim leader, a day after the president was assassinated.
Raimundo Pereira must organise a fresh presidential election within 60 days.
President Joao Bernardo Vieira was shot dead by soldiers who blamed him for a bomb attack that killed the army chief on Sunday.
The UN Security Council condemned the two killings and urged the government to bring those responsible to justice.
Guinea-Bissau - a major transit point for Latin American cocaine headed for Europe - has been plagued by political unrest since it gained independence from Portugal in 1974.
Before taking the oath of office on Tuesday, national assembly leader Mr Pereira said Guinea-Bissau was "facing a very delicate situation".
He called on MPs "to assume their responsibility toward the nation". (ANA)
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