Messages claiming Iran nuclear site fire deepen mystery

DUBAI, United Arab Emirates (AP) — An online video and messages purportedly claiming responsibility for a fire that analysts say damaged a centrifuge assembly plant at Iran’s underground Natanz nuclear site has deepened the mystery around the incident. The multiple, different claims by a self-described group called the “Cheetahs of the Homeland” included language used by several exiled Iranian opposition organizations, as well as focused almost entirely on Iran’s nu