UPDATE: 4/3/2017 at 10:30 a.m.
At least nine people are dead, and approximately 50 others are reported injured due to the explosion at the Sennaya Ploshchad metro station in the Russian city of St. Petersburg, Russia, according to an update by CNN.
All metro stations in the St. Petersburg area have been closed after the deadly blast, according to Russian state media. The Associated Press is also reporting that Russia's National Anti-Terrorism Committee has found and deactivated a second bomb at another St. Petersburg subway station.
The subway in the Russian city of St. Petersburg is reporting that several people have been injured in an explosion on a subway train.The subway's administration says several stations in the northern Russian city have been closed and that an evacuation is underway Monday afternoon.
Social media users posted photographs from one subway station in the city center, showing people lying on the floor and a train with a mangled door nearby.
Russian news agencies quoted Kremlin spokesman Dmitry Peskov saying that Russian President Vladimir Putin has been informed about the explosion. Putin is visiting the city Monday and is expected to hold talks with the Belarusian president later in the day.