According to sources from the United States Department of State, an airport employee may have placed the bomb on the plane and then detonate it remotely
A plastic explosive of military use of C4 type would have been responsible for the fall of the Airbus 321 of the Russian airline Metrojet in the Egyptian Sinai peninsula, killing 224 people. The CNN reports on Wednesday that US State Department sources said that only an artifact of this kind could cause an explosion of the genre.
According to the same informants, the bomb would have been placed on the plane by an official of Sharm el Sheikh airport - from where the flight. Then, the same official or other person would have used a detonator to activate the pump and bring down the aircraft.
"It is unlikely that the explosive has been taken on board by a passenger," said the sources cited by CNN, who preferred to remain anonymous. The Russian government did not comment on the case, but just before the head of Kremlin administration, Sergei Ivanov had said that it would take several months to establish the causes of the disaster.
On Thursday, the president of the United States, Barack Obama, had publicly discussed the possibility that a bomb has overthrown the Airbus Metrojet. According to the head of state, this line of research is being evaluated "seriously" by the White House.
With the track of an explosive on board getting stronger, the Russian President Vladimir Putin, decided to suspend civilian flights from your country to Egypt, at least until the causes of the tragedy in Sinai are clarified. On Tuesday, Russian Prime Minister Dimitri Medvedv said it was possible that the plane was shot down by a "terrorist act."