Sergei Kiriyenko, head of Russia's Atomic Energy Agency, will travelto Iran next week to visit the Bushehr nuclear power plant Russia isbuilding, Interfax reported, citing his office.Last year, Iran and Russia signed a nuclear fuel agreement thatpaved the way for the 1,000-megawatt power plant to go online bymid-2006. The contract is valued at more than $800 million.Russia, a traditional ally of Iran, backed referral to the U.N.Security Council only on condition that the council take up the issueno earlier than March, and it opposed the U.S. push for internationalsanctions against Iran.