Nigeria's new leader Bola Tinubu vows reforms as sworn in as president amid challenges

Bola Tinubu became Nigeria's president after a disputed election and critics who see him as part of the political old guard
Tinubu inheriting grave economic troubles andsecurity crises in Africa's most populous nation and vowed major reforms.
Tinubu promised to achieve 6 percent annual growthand create jobs by tackling investment barriers, fuel subsidy costs and security challenges.
Tinubu faces calls to prove his government will be transparent and deliver on promises of improved security and prosperity.
Analysts say Tinubu must act decisively to address violence, poverty, oil theft and public frustration or risk losing support.