FILE: 1974 file photo shows  Samora Machel, centre, wearing military style dress and pistol holster, addresses Frelimo guerilas in Cabo Delgado, Mozambique.  South African police said Wednesday Dec. 12, 2012  they've opened a new investigation into the 1986 airplane crash that killed Mozambique's Marxist president Machel, an incident that many have blamed the former apartheid government.  (AP Photo/Str-FILE)
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