Arafat’s death a 'crime', claims widow

Yasser Arafat’s mysterious 2004 death has turned into a whodunnit after Swiss scientists who examined his remains said the former Palestinian leader was probably poisoned with radioactive polonium.

Yet hard proof remains elusive, and nine years on, tracking down anyone who might have slipped minuscule amounts of the lethal substance into Mr Arafat’s food or drink could be difficult.