Venezuelan authorities say they have arrested three US citizens, two Spaniards and one Czech citizen suspected of plotting to destabilise the country.
Interior Minister Diosdado Cabello said hundreds of weapons had also been seized.
It comes two days after Washington sanctioned 16 Venezuelan officials who are closely aligned with Venezuelan President Nicolás Maduro, following his disputed election victory.
Spanish authorities have requested more information from Caracas, with the Spanish embassy in the country requesting access to those detained.
