Two successive blasts in the Russian capital's crowded subway rail system killed at least 37 people on Monday morning and injured over 10 others. Officials said in Moscow that the first explosion hit the second carriage of a train at the central Lubbyanka station killing some 25 people. Scores of rescue teams were rushed to the station under the headquarters of the Soviet era KGB, now housing the Federal Security Service. According to emergency situations ministry spokesperson, 14 train passengers and 11 waiting on the platform were killed in the explosion. Another explosion hit the Park Kultury Metro Station, just 40 minutes after the first incident, killing an estimated 12 people.