Putin: explosions cause unknown

sint - The cause of the explosions in the subway system in St Petersburg is not known. That said Russian President Vladimir Poetin. He said that the authorities keep all options open, including terrorism.

The explosions were at least ten dead and fifty wounded, according to the Interfax news agency. Putin is in a palace outside St. Petersburg. He has since Monday a meeting with his Belarusian counterpart Aleksandr Loekasjenko.

SEE ALSO: 10 killed in explosions in metro St. Petersburg

They want to put an end to many months smoldering crisis in relations. That would be about the debt that the Belarusians still have for the delivery of oil and gas.