Tanzanian President Samia Suluhu Hassan played down days of bloody protest as she was inaugurated on Monday, with an internet blackout still in place as the opposition says hundreds were killed.
The electoral commission said Hassan won 98 percent of the vote.
The main opposition party, Chadema, which was barred from running, has rejected the results. It has called for fresh elections, saying last Wednesday's vote was a "sham".
In her speech, Hassan called for "unity and solidarity" but also alleged that some of the young protesters came from "outside Tanzania".
"Our defence and security agencies continue to investigate and examine in detail what happened," she said, promising a return to normalcy as she addressed officials and foreign dignitaries in the capital Dodoma.
The ceremony wa

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