The United States issues a global warning: State Department invited the American travelers in Europe and the world, the greatest vigilance, fearing kidnapping or hostage taking new.
Authorities fear that other terrorist groups will draw on the Paris attacks, to take similar action.
"US officials believe that an attack against one returns to attack others. For example, in the case of the French attacks, the United Kingdom as the United States believes that there is the possibility of attacks by imitation in these countries too. "
states the security specialist.
In the United States, grief is always displayed at the Embassy of France.
The House of Representatives paid tribute to the victims.
And after a spontaneous visit to the Embassy of France Thursday is from Tennessee that President Barack Obama has once again demonstrated the support of his country to France, displaying forcefully solidarity and defense of threatened freedoms.
"The immediate threat is now neutralized, thanks to the courage and professionalism of French personnel on the ground. But the French government must continue to deal with the terrorist threat and must remain vigilant. The situation remains very fragile. "
The US Congress has also observed a minute of silence.
The State Department said that several terrorist groups continue to plan attacks against US and Western interests in Europe.
