Main news of September 12

A roundup of what has happened in the past 24 hours.

WORLD

* Iran held the official opening ceremony of its first nuclear power plant completed after long delay with Russia's assistance

* British Prime Minister David Cameron began a visit to Russia, the first by a U.K. leader since 2005

* British Prime Minister David Cameron met six Russian human rights activists including Dmitry Muratov, editor of pro-opposition newspaper Novaya Gazeta, and Oleg Orlov - a campaigner recently acquitted in a slander case against Chechen leader Ramzan Kadyrov

* One person was killed and four injured in an explosion at the French nuclear site of Marcoule

* The UN Security Council may lift sanctions against Libya within 10 days, Russian UN envoy Vitaly Churkin said

* The International Monetary Fund insists on raising gas prices for Ukrainian households, a condition necessary for disbursing a $15.15-billion loan to the country, IMF Resident Representative for Ukraine Max Alier said

* British Prime Minister David Cameron dismissed suggestions that the U.K. had “parked” the issue of the death of Alexander Litvinenko for trade relations

* British businesses needs guarantees that assets will not be “unlawfully taken away from them” before they can start work in Russia, Prime Minister David Cameron said during a visit to Moscow

* One of fugitive Libyan leader Muammar Gaddafi's sons, Saadi, has received asylum in Niger, the country's Justice Minister Amadou Marou said

RUSSIA

* One of the only two survivors of last week's plane crash that wiped out almost the entire Lokomotiv Yaroslavl ice-hockey team died in hospital

Russian President Dmitry Medvedev said that the conflict between the shareholders in TNK-BP must be resolved through standard legal procedures and on a corporate level

* Russian Prime Minister Vladimir Putin instructed the government to draw up plans in the next 10-12 days for making Russia's civil aviation sector safer

* Russia's first Graney class nuclear-powered attack submarine set course for scheduled sea trials, the Sevmash shipyard said

* Russian President Dmitry Medvedev pledged state support for the revival of Lokomotiv Yaroslavl, the hockey team that was virtually wiped out in a plane crash last week

* A website that has been the most powerful mouthpiece of North Caucasus separatists for over twelve years was labeled extremist by a Russian court

* Russian authorities are fighting corruption to bring order to the country, not to please foreign investors, President Dmitry Medvedev said

* Russia's largest private oil firm LUKoil plans to invest $25 billion in oil refining and petrochemistry in the next 10 years