Kaverin

When the blast went off, train driver Alexander Kaverin, kept to protocol and continued driving the train to the next station so victims in need of medical attention would not be stuck in the underground tunnel.

Train driver Alexander Kaverin told reporters: "I just followed the procedure. You will know that this isn't the first terrorist act that we've had, there've been explosions before, so smart people came up with smart procedures. "And these procedures say that in this situation I had to take the train to the nearest station.

Both Mr Kaverin and another employee who found the unexploded bomb would be rewarded for their actions, metro officials said.

District police chief Gennady Kaverin has been sacked.

Their desperate trek was depicted in the popular novel “The Two Captains” by the Russian author Veniamin Kaverin.