Russia has declared a “day of mourning” as death toll from an underground train derailment in Moscow rises to 21. “Wednesday will be a day of mourning in Moscow, given the scope of the tragedy,” Moscow Mayor Sergei Sobyanin said on Tuesday. According to the Russian Emergencies Ministry, the accident occurred as a train going from the city center halted abruptly between the Park Pobedy... 

Russian President Dmitry Medvedev stepped out of Prime Minister Vladimir Putin’s shadow long enough on Tuesday to fire Moscow’s larger-than-life mayor, rattling a political establishment that until now has accepted Putin as the nation’s undisputed authority. The mayor, Yuri Luzhkov, has ruled Russia’s biggest and wealthiest city since 1992 with an authority that would have...