Censor.NET reports citing the president on Twitter.
"I have held a meeting with the law enforcement agencies. Increased security measures will be taken at airports and cities in Ukraine, with a special border regime to be introduced," the head of state wrote.
Kyiv residents are bringing flowers to French embassy. VIDEO
Poroshenko stressed that Ukraine and all the civilized world stand "side-by-side with France in its struggle against international terrorism."
"The key message we saw from France is: "We are not afraid". Together with France, we defend our common European values - liberty, equality, fraternity. The whole world is with France," the president emphasized.
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