Spanish officials said intelligence suggests that groups in Russia and Venezuela spread misinformation before and after Catalonia's referendum.
A total of 20 former Catalan leaders face charges relating to the independence referendum Madrid deemed illegal.
The region's parliament voted overwhelming in favor of a resolution to make Catalonia "an independent, sovereign, democratic, social State."
Spain plans to invoke Article 155, which allows the central government to institute direct rule over the country's semi-autonomous regions.
Thousands of police have been sent to the region to shut down voting.
More than 92 percent of voters approved Monday's referendum, and Kurdish leaders hope that will kick-start independence talks.
The referendum, if successful, could kick-start secession talks between Baghdad and the Kurdish regional capital, Irbil.
The tension started in 2015 when President Nicolás Maduro lost support in the National Assembly.
Tension continues to mount in Venezuela as the country prepares for a controversial vote that could rewrite its constitution.
Analysts say more than 7 million people voted in a symbolic referendum to reject President Nicolas Maduro's plans to rewrite the constitution.
Turkey is still in a state of emergency, which allows rule by government decree.
He also called for labor reform and for French citizens to move away from welfare dependence.