Russia says it shares with the United States a sense of "deep disappointment" over Iran's decision to resume nuclear fuel research.
Chinese officials say two more people have died of bird flu, bringing the death toll in China to five.
Business leaders and government ministers from nations that account for more than 40 percent of the world's greenhouse gases have gathered in Sydney to discuss ways to tackle climate change.
There are conflicting reports on the whereabouts of North Korean Leader Kim Jong il.
Cambodian Prime Minister Hun Sen has rejected criticism that his nation is moving toward authoritarian rule.
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