At least 10 killed in blast in St. Petersburg metro

Ten people were killed in the explosion that occurred today in St. Petersburg Metro, told Reuters source of Russian security services.

A single explosion occurred today at the St. Petersburg Metro, according to a source in the emergency services which cites Reuters.

According to the source, the explosion occurred while the train was located between two metro stations.

The Interfax news agency reported citing a source that the explosion was due to a mechanism which was filled with beads.

The St. Petersburg Prosecutor's Office instructed to begin investigations into the explosion and all the departments of the Ministry of Emergencies as foreseen in such cases mobilized. Fifty people have been injured by the explosion, as announced via Twitter the head of the city governor's press office Andrei Gkimpitof.
For the evacuation of the wounded helicopters are used, according to the Tass agency, and according to the Interfax 17 ambulances are on site to treat the wounded. As even broadcast from the place of the tragedy, the local correspondent of agency Tass, a helicopter carrying wounded from the metro stop "Technologogkitseski Institute", while the second is directed to stop "Santovagia".
All of the city's subway stations have closed the Interfax reported.
According to the Interfax newest telegram, closed all the stations of the St. Petersburg metro.

Putin: We are looking at the possibility of terrorism

Russian President Valntimir Putin during the meeting with President of Belarus Alexander Lukashenko said that contact with the heads of special services, which is currently investigating the cause of the explosion, adding that "the cause of the explosion is not clear , It is too early. We are looking at as a possible cause of terrorism as a criminal act. "
Vladimir Putin, during the explosion were in St. Petersburg, where he participated in the 4th local and regional media forum from which will then depart to meet the President of Belarus Alexander Lukashenko, which would discuss unresolved issues the relations between the two countries.

Emergency measures in the Moscow metro
The address of the Moscow Metro has decided to take additional extraordinary safety measures after the explosion that occurred at the St. Petersburg Metro, which had the effect of depriving the lives of at least 10 people and injuring dozens, as transmits the Tass agency.
In an announcement issued by doikisi of the Moscow metro, which was posted to the account that has the social networking medium Telegram, states that "taken additional security measures" and that "administration of the Moscow Metro is ready to provide every kind of assistance in if considered necessary. "