Russian special forces police control access on a platform where a train which Greenpeace says is transporting 30 people who were arrested over a protest at the Prirazlomnaya oil rig arrived at the Ladogsky railway station in St. Petersburg November 12, 2013.
An explosion in a metro station in St Petersburg on Monday has reportedly killed several people.
Ten people have been confirmed dead so far,
according to Oliver Carroll
g editor of The Moscow Times.
Various websites have pictures of blown-out train doors and injured people on the station platform.