JEDDAH (Reuters) - Former dictator Idi Amin, blamed for the murder of tens of thousands of Ugandans in the 1970s, died on Saturday in a Saudi hospital where he had been critically ill for weeks, a senior medical source said "We can confirm that Mr Idi Amin has died from complications due to multiple organ failure," the source at King Faisal Specialist Hospital in the Red Sea city of Jeddah.