Attack Sochi News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Risks probably come from this area. we are now in chechnya, in grozny. this was the scene of two very violent wars between chechen separatists, chechen rebels who wanted independence and the russian government. and grozny, if you remember, became something of the by-word for destruction. this entire city was flattened during the two wars in the 1990s. after and during those two conflicts -- by the way, you can see the city has been completely rebuilt. it's something -- >> it looks terrific behind you. >> reporter: a lot of people were surprised. i myself was surprised at how gleaming sochi has...

North caucuses. and this is the main concern that the russians have right now. that a militant -- they're here in chechnya or in dagestan, or somewhere from this entire area -- could be inspired to carry out an attack during the sochi games in order to revive the conflict, to get attention, and to embarrass the russian government. that's the main concern. not that they would necessarily attack sochi, although there were some reports just in the russian papers today that militants from chechnya might even try to use homemade drones, the kind of toy drones you can buy commercially and put them i...

This in other parts of the country while the world is watching and it does bring attention. very quickly, the economic impact of the united states government issuing a travel advisory to the sochi games, can you put a number on that? and what kind of trickle-down impact does that have on other countries who may take their lead from the united states on deciding whether to issue a travel advisory? >> reporter: it's hard to know how many people will decide not to come because of that travel advisory, how many ticket sales will be lost. most of the money for the olympic games is really in merchan...

What their security measures are but they say each if nthe wake of these bombings they have do change them but the terrorists don't have to attack sochi. as in volgograd, they can attack other targets and they have to travel through certain areas so that is the danger here. terrorists know in this gigantic country, not everything can be secure. often the metal detectors are not working and security guards are not on ball. it's a huge country to police and it doesn't have to be the tiny area around sochi that nets nooee needs to be morned. >> thanks, diana. fiery explosions after a train cras...