At least 11 people were killed in the explosion in the St. Petersburg metro on Monday, said three state-owned Russian news Agency. Prime Minister Dmitry Medvedev called the attack a "terrorist act".

The explosion happened in the train when the train moves between two stations, the second largest city of Russia. The second, larger bomb was found and defused at another station, said Russian anti-terrorist Committee. No group has claimed responsibility for the attack. 51 people were wounded in the incident, according to CNN. Four of the injured are in critical condition, said health Minister Veronika Skvortsova from the research Institute of emergency medicine. Janelidze, where many of the wounded are being treated, according to the state news Agency TASS.

President Vladimir Putin, who had previously been in Saint-Petersburg in the beginning of the day, laid roses at the makeshift memorial with candles near the metro.

The explosion occurred when the train went in the tunnel from "Sennaya square" station "Technological Institute" in the city centre. The confusion in the initial reports indicated two explosions. Investigators take items to investigate, interrogate witnesses and employees of the metro and are working to confirm the number of dead and wounded, the statement said the Investigative Committee of Russia.

Press Secretary of the Kremlin Dmitry Peskov said that Putin was in St. Petersburg at a press conference.
The Chairman of the defense Committee of the Federation Council Viktor Ozerov said that the choice of St. Petersburg as a target, may have been connected with Putin's visit. "The choice of location and timing of these explosions are not accidental. The President of Russia is located in Saint Petersburg, there is a media forum, journalists a lot," - said Ozerov.
sections: Region News, Accidents, Accidents