United States on 5 February 2014 warned the airlines flying to Russia that might be possible terrorists may try to smuggle explosives on board in tubes of toothpaste. The Chairman of the House Homeland Security Committee in alert said that the materials could be concealed in toothpaste or cosmetic tubes.
As per Homeland Security such devices could be used to assemble a bomb on a flight or upon arrival at the venue of Winter Olympics, Sochi. US also cleared that at present it is not aware of any specific threat.
The forces of Russian Government is on high alert to head off possible militant attacks at Sochi, the winter games venue that is scheduled to start from 7 February 2014 and will end on 23 February 2014. The Sochi Winter Olympics is the XXII (twelfth) Olympic Winter Games.
In its warning, US displayed concern about the use of tubes of the toothpaste from Asian and European nations, because US has less access to the intelligence-sharing of these nations.
On the alert for the Sochi Olympic Games, the air transportations of Russia have banned almost all liquids in airline carry-on luggage at all the country’s airport following twin suicide bombings in Volgograd December 2014 in which 34 people were killed in two different attacks. These attacks followed the attacks on the Sochi Olympics in the summer by leading militant in the North Caucasus, Doku Umarov.
Apart from this in February 2014, two Austrian competitors have received kidnap threats on the eve of the Sochi Winter Olympics. The treat of kidnap was issued against Alpine skier Bernadette Schild and skeleton pilot Janine Flock during the Sochi Games.