Shrouded in secrecy. Never confirmed or denied by the government. This is Israel's alleged nuclear weapons programme. Israeli Prime Minister Benjamin Netanyahu has long warned that Iran's nuclear research is secretly looking to develop a nuclear bomb - something Iran has repeatedly denied. But for decades there have been suspicions that Israel, not Iran, is the first Middle East country to obtain a nuclear weapon. "It's very opaque, there's very little detailed information about it," says Professor Nick Ritchie, an expert on international security and nuclear proliferation at the University of York. But he adds: "There's no debating whether Israel...