Main news of April 6

A roundup of what has happened in the past 24 hours

WORLD

* Two days before signing a milestone arms cuts pact with Russia, U.S. President Barack Obama unveiled Washington's new nuclear doctrine declaring potential terrorist attacks and proliferation of nuclear weapons, rather than an attack from a hostile state, the main security threat for the United States

* The United States expects to continue missile defense dialogue with Russia, U.S. Secretary of State Hillary Clinton said

* Law enforcement agents have arrested several Kyrgyz opposition leaders, rights activists said

* Rioters in the Kyrgyz city of Talas have again seized the building of the local government, eyewitnesses told RIA Novosti on the phone

* The new U.S. nuclear doctrine should help strengthen the international nonproliferation regime, a senior Russian member of parliament said

* Kyrgyz authorities have subdued rioters in the city of Talas by running the crowds off using tear gas, Kyrgyz Interior Minister Moldomusa Kongantiyev said

* Greenpeace activists tore up the train track near the Tricastin Nuclear Power Center in southeast France to stop a shipment of nuclear waste to Russia, the organization said

* The United States will probably make a statement on its strategic missile defense plans upon signing a new nuclear arms reduction treaty with Russia in Prague this week, the Kremlin said

* Russia will contribute about 1,000 military servicemen to joint military exercises of the Shanghai Cooperation Organization (SCO) member states in southern Kazakhstan, a senior military official said

* Russian President Dmitry Medvedev will meet for talks with his Czech counterpart Vaclav Klaus during a visit to Prague on April 8, a Russian presidential aide said

* Protesters in Kyrgyzstan have seized a governmental building in the city of Talas, a local government representative said

* Russia may withdraw from the arms reduction treaty if Washington significantly increases its missile defense, Russian Foreign Minister Sergei Lavrov said

* Washington's plans for a missile defense shield do not presently constitute any threat to Moscow's strategic interests, Russian Foreign Minister Sergei Lavrov

* China has executed a Japanese citizen convicted for attempting to smuggle over 1.5 kg of illicit drugs to Japan

* Members of a radical opposition movement in Armenia will hold a rally and a march in support of a snap election in the country

* Belarus is ready to ratify a treaty on military-technical cooperation with Russia which was signed in December last year in Moscow

RUSSIA

* Russia and South Ossetia are expected to sign an agreement on a Russian military base in the former Georgian republic on Wednesday, a Russian Defense Ministry spokesman said

* A court in Chechnya has banned material about Chechnya and Chechen extremism published in the 58th volume of the Big Russian Encyclopedia for discriminating against Russia's North Caucasus republic

* Russian Finance Minister Alexei Kudrin promised ten years of the country's development without any increase in government spending

* Russian President Dmitry Medvedev is on an official visit to Slovakia to commemorate the 65th anniversary of the liberation of the Slovakian capital Bratislava from the Nazis by the Red Army

BUSINESS

* Ex-Yukos chief Mikhail Khodorkovsky under a new trial on grand theft charges suggested the court hold an investigative experiment to make it more comprehensible how he could have stolen oil

* Russian President Dmitry Medvedev proposed amendments to the country's criminal legislation to fight the illegal seizure of companies

* Chinese companies may invest $2 billion to build hotels in Russia's Black Sea resort of Sochi, the host city for the 2014 Winter Olympic games, Russia's RBC daily said

SPORTS

* CSKA Moscow was defeated by Inter Milan at a home football match with a score of 0:1, knocking Moscow out of the UEFA Champions League for the season

* Russian Deputy Prime Minister Alexander Zhukov, who has earlier said he was ready to stand as a candidate for the post of president of the Russian Olympic Committee, officially registered his candidacy for the post