Prince Charles has met Iran's President Muhammad Khatami on the first visit to the Islamic republic by a member of the British royal family.
US president George Bush says Iran must comply with a set of demands before relations between the two countries can improve.
Ravaged by an earthquake claiming thousands of lives and totally destroying the ancient city of Bam, Iran is located in a tremor-prone region, with major calamities dating back to ancient Persia.
The toll from the devastating earthquake in the historic Iranian city of Bam has reached 25,000, officials have said.
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