The High Representative of the European Union for Foreign Policy and Security, Josep Borelj, arrived in Kyiv on Saturday, where he intends to convince Ukraine of the EU's support.
It is the first visit by a high-ranking European official after the victory of the Republican Donald Trump in the presidential elections in the United States.
Trump's victory worries Ukraine and Europe, which fear that the new American president will end Washington's support for Kiev in the fight against the Russian invasion, reports AFP.
"The message is clear. Europeans will continue to support Ukraine," said Borelj, who is expected to leave office in December.
"We have supported Ukraine since the beginning, and for my last visit to Ukraine, I am conveying the same message. We will support you as much as we can," said Borelj.
During the election campaign, Trump questioned the continuation of major US military and financial aid to Ukraine and said he could quickly reach an agreement to end the war.
"Nobody knows exactly what the new (US) administration is going to do," Borelj said, noting that outgoing President Joe Biden still has two months to make decisions.
Borelj added that the EU should use this opportunity to build a stronger and united Europe and to support Ukraine.
Since the start of the Russian invasion in 2022, Europe has spent about $125 billion to support Ukraine, while the United States has allocated more than $90 billion, according to a study by the Kiel Institute.
Maintaining the support of the US, Ukraine's biggest donor, is seen by most experts as key to enabling Kiev to survive, especially at a time of political uncertainty among major European powers such as Germany and France.
On the battlefield, tired Ukrainian troops are struggling to repel Russian advances as the war approaches its third year.
Borelj, who is due to meet with senior Ukrainian officials during the visit, said it was up to EU countries to decide "when and how to increase" their support if necessary.
He said that at the meeting of European leaders in Budapest on Friday, "the majority of member states remained on the same line, that is, they continued to support Ukraine."
At the same time, in the Russian attack on Ukraine, one person was killed and 13 were injured, including children, the local authorities in Odesa said.
Another 32 Russian drones were shot down over ten Ukrainian regions, while 18 were "lost," according to the Ukrainian Air Force, possibly due to electronic jamming.
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