Ukrainian diplomatic missions in several countries have received “bloody parcels” containing animals' eyes, the country's Foreign Ministry said on December 2.
Spokesman Oleh Nykolenko added on Facebook that the parcels were soaked with an unspecified liquid "of a specific color and smelled correspondingly."
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According to Nykolenko, the parcels were delivered to Ukrainian diplomatic missions in Hungary, the Netherlands, Poland, Croatia, Austria, Italy, and the Czech Republic.
The packages arrived amid Russia's continued invasion of Ukraine, and Nykolenko said "we are studying the meaning of this message."
Police in the Czech Republic said earlier in the day that Ukraine’s consulate in the country’s second-largest city, Brno, received "a suspicious letter" similar to letter bombs sent to high-profile targets in Spain in recent days.
The police said later that "an animal tissue" was found in the package.
Nykolenko said that unknown individuals called the Ukrainian Embassy in Kazakhstan saying that there was a bomb in the mission's building, which turned out to be false.
He added that the Ukrainian Embassy in the United States received a letter harshly criticizing the Ukrainian government.
Foreign Minister Dmytro Kuleba called the situation "a well-planned campaign of terror and intimidation of Ukraine's embassies and consulates."
"Not being able to stop Ukraine on the diplomatic front, [Russians] try to intimidate us. However, I can say with confidence that these attempts are futile. We will continue to effectively work on Ukraine's victory," Kuleba said.
A day earlier, bomb disposal experts in Spain defused a letter bomb at the U.S. Embassy in Madrid, the sixth such device sent to high-profile targets in Spain in the past several days.
The campaign began with a letter bomb sent to Prime Minister Pedro Sanchez last week. Similar devices have been sent to the Defense Ministry, an air force base, a weapons manufacturer, and the Ukrainian Embassy.