A preliminary hearing has been set for tomorrow for a man accused of threatening President Barack Obama and others, after he allegedly posted them letters containing suspected ricin.
Paul Kevin Curtis, 45, is scheduled to appear in federal court later and if convicted could face up to 15 years in prison.
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Merlin, the operator of the park, has been told it should expect a "very large fine" for breaching health and safety.
Arnold Palmer, the King of golf, has died just weeks after his 87th birthday.
Experts hope the FIT test will reduce the number of patients referred to invasive endoscopies.