French air accident authority BEA said its probe into the Germanwings crash would study "systemic weaknesses" that might have led to the disaster, such as psychological profiling and cockpit door locks.
Nigeria's opposition All Progressives Congress (APC) declared an election victory on Tuesday for former military ruler Muhammadu Buhari and said Africa's most populous nation was witnessing history with its first democratic transfer of power.
With a deadline hours away, Iran and six world powers ramped up the pace on Tuesday in negotiations over a preliminary deal on Tehran's nuclear program, while officials cautioned that any agreement would likely be fragile and incomplete.
The U.S. Supreme Court on Tuesday ruled that private medical providers that deliver residential care services in Idaho cannot sue the state in order to raise Medicaid reimbursement rates to deal with rising medical costs.
