Britain's relationship with Russia came under new strain Tuesday when Prime Minister Gordon Brown registered "deep regret" at Moscow's refusal to extradite Andrei Lugovoi, whom London has accused of murdering the former KGB officer Alexander Litvinenko.
The United States is calling on Russia to step up efforts to solve the three-year-old killing of Paul Klebnikov, an American journalist who was gunned down on a Moscow street.
The British government on Tuesday said it would reconsider all co-operation with Russia after Moscow formally refused a UK request to extradite the suspected murder of Alexander Litivinenko.
A passenger train derailed Tuesday in Russia, injuring several people but causing no deaths, emergency and railroad officials said.
Ford Motor Co. Tuesday said its European division intends to increase capacity of its St. Petersburg assembly plant and to start building the new Ford Mondeo for the Russian market.
OAO Gazprom and Royal Dutch Shell Plc's Sakhalin-2 project started drilling from Russia's first offshore natural gas platform.