Two Russian women look at flowers placed for the explosion victims at Moscow metro station Park Kultury in Moscow, Russia, 29 March 2010. Twin suicide bombings in Moscow's busy Metro subway at Lubyanka and Park Kultury metro stations during the morning rush hour killed 38 people and injured 40 in the worst terrorist attack in the Russian capital in six years, according to the latest data. EPA/SERGEI CHIRIKOV EPA
People put flowers in the memory of the explosion victims at the Park Kultury metro station in Moscow, Russia, 29 March 2010. EPA/MAXIM SHIPENKOV
Police troops guard the entrance to the Park Kultury metro station in Moscow, Russia 29 March 2010. At least 37 persons were killed in separate blasts on Moscow‘s Metro train station which the Russian secret service FSB said were carried out by female suicide attackers. Around 40 other persons were injured in the blasts at the Lubyanka station at 7:56 am (0356 GMT) and 44 minutes later at the Park Kultury station. Initial investigations indicated that the explosive devices weighed 1.5 kilograms and 3 kilograms. EPA/YURI KOCHETKOV
A woman lights a candle in a Moscow church for the victims of two terrorist bomb attacks, Moscow, Russia 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed 37 people and injured 40, according to the latest data. EPA/YURI KOCHETKOV
Hundreds of commuters crowd the area around a bus stop near the Park Kultury metro station after a bomb blast in Moscow, Russia, 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed at least 37 people. EPA/VIKTOR VASENIN/ROSSIYSKAYA GAZETA
The rescuers carry the dead bodies of the victims of the explosion at the Lubyanka metro station after the explosion in Moscow, Russia 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed 37 people and injured 40, according to the latest data. EPA/SERGEI CHIRIKOV
Muscovites put flowers and a candle in the center of Lubyanskaya square at the entrance of Lubyanka metro station after two explosions in Moscow, Russia 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed 37 people and injured 40, according to the latest data. EPA/SERGEI CHIRIKOV
A serius-faced Russian President Dmitry Medvedev during an emergency meeting at the Kremlin in Moscow, Russia, 29 March 2010. Two morning blasts at Lubyanka and Park Kultury metro stations killed at least 37 people. EPA/VLADIMIR RODIONOV/RIA NOVOSTI/KREMLIN POOL RIA Novosti
Moscow's Mayor Yuri Luzhkov (C) speaks in front of the Park Kultury metro station entrance in Moscow, Russia, 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed at least 37 people. EPA/VIKTOR VASENIN/ROSSIYSKAYA GAZETA
People leave the Park Kultury (circle) metro station after an explosion at Park Kultury (radial) in Moscow, Russia, 29 March 2010. At least 35 persons were killed in separate blasts on Moscow‘s Metro train station which the Russian secret service FSB said were carried out by female suicide attackers. Around 40 other persons were injured in the blasts at the Lubyanka station at 7:56 am (0356 GMT) and 44 minutes later at the Park Kultury station. Initial investigations indicated that the explosive devices weighed 1.5 kilograms and 3 kilograms. EPA/MAXIM SHIPENKOV
A man speaks with policemen at the Moscow Metro plan at the Lubyanskaya metro station after the explosion in Moscow, Russia 29 March 2010. At least 35 persons were killed in separate blasts on Moscow‘s Metro train station which the Russian secret service FSB said were carried out by female suicide attackers. Around 40 other persons were injured in the blasts at the Lubyanka station at 7:56 am (0356 GMT) and 44 minutes later at the Park Kultury station. Initial investigations indicated that the explosive devices weighed 1.5 kilograms and 3 kilograms. EPA/SERGEI CHIRIKOV
The rescuers arrive on the surface from Lubyanskaya metro station after an explosion in Moscow, Russia, 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed 37 people and injured 40, according to the latest data. At least 35 persons were killed in separate blasts on Moscow‘s Metro train station which the Russian secret service FSB said were carried out by female suicide attackers. Around 40 other persons were injured in the blasts at the Lubyanka station at 7:56 am (0356 GMT) and 44 minutes later at the Park Kultury station. Initial investigations indicated that the explosive devices weighed 1.5 kilograms and 3 kilograms. EPA/SERGEI CHIRIKOV
An overview of the scene outside Park Kultury metro station in Moscow, Russia, 29 March 2010. Two morning metro blasts at Lubyanka and Park Kultury metro stations killed 37 people and injured 40, according to the latest data. EPA/MAXIM SHIPENKOV
