...Blaine Gibson, who has been gathering suspected MH370 debris as it washes up on Madagascar and Mozambique, said Mr Raza had been due to deliver new items to Malaysian investigators in Kuala Lumpur when he was unexpectedly slain. The timing has rattled Mr Gibson, who says he has been receiving death threats because of his self-financed mission to solve the baffling aviation mystery. He had planned to keep details of his latest finds — which included two items he considered particularly promising — under wraps until they had been safely transported off the island but changed his mind after Mr...