The packages were sent to Ukraine's embassies in Hungary, the Netherlands, Poland, Croatia and Italy, to general consulates in Naples and Krakow, and to the consulate in Brno.
The attack followed protests by Greek anarchist groups in support of a jailed Italian anarchist militant who is on hunger strike in protest against prison conditions.
Prime Minister Viktor Orban proposed that each of the EU's 27 member states draw from its own budget to provide assistance to Ukraine through bilateral agreements.
Western leaders want to bleed Moscow financially but China and India haven't indicated if they plan to abandon the purchase of Russian oil.
Both leaders emphasised their desire to forge a powerful transatlantic alliance supporting democracy - and facing down Russia and China.
The Ukrainian government in June said that the country was losing 60 to 100 soldiers every day while in September Russian Defence Minister Sergei Shoigu admitted that 5,937 Russian troops had so far been killed in the conflict.
Fierce fighting between forces of Moscow and Kiev continues in the eastern Donetsk region while Ukraine reports Russian shelling in southern areas, as the conflict rolls into its 281st day.
The envelopes had "similar characteristics" and were sent from inside Spain, director general of the Civil Guard said, citing preliminary investigations.
Turkish first lady Emine Erdogan made the comments as she met Ukrainian orphans, who were brought to Türkiye due to the Russia-Ukraine conflict.
Sergey Lavrov slams the West for expecting the entire world to live by the "rules of liberal democracy" and for its "reckless enlargement of NATO".
Incident reportedly involving an 83-year-old godmother of Prince William is the latest to embroil the royal family in allegations of racism.
French President Macron says the subsidies issue behind US counterpart Joe Biden's signature policy, the Inflation Reduction Act, could become a real sticking point in US relations with Europe.
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