Umaro Sissoco Embalo says he would be a"president of national harmony" and appealed for the country to rally behind him.
Supporters of Embalo erupted with joy close to the tightly policed hotel in the capital Bissau where the results were announced. But his tenure was hampered by a paralysing faceoff with parliament under the country's semi-presidential political system. But, he cautioned, "the campaign euphoria is over. I need [the support of] all Guinea-Bissauans in order to make a new Guinea-Bissau."
"We cannot accept a result of this kind," he said. "We are going to put forward all the evidence to show that the results have been changed."
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