The Swiss investigators who detected enough polonium in the body of Yasser Arafat to kill him say there should be an inquiry into how the former Palestinian leader died.
Many Palestinians agree, but Israel has dismissed the idea as a conspiracy theory.
ITV News Middle East Correspondent Geraint Vincent reports.
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After the Indiana polls close, ITV News asked Ted Cruz supporters if they could back Donald Trump as the Republican presidential nominee.
With his massive victory in Indiana, Donald Trump can now not be stopped from becoming the Republican nominee.
Donald Trump is predicted to win the crucial Republican Indiana primary, US media have projected.