Kiev, Ukraine (CNN) Ukrainian President Volodymyr Zelensky on Tuesday brushed aside claims that he was ready to announce an investigation into Burisma Holdings, a Ukrainian energy company linked to the son of former Vice President Joe Biden, following a phone call with President Donald Trump.

"I think everybody in Ukraine is so tired about Burisma. We have our own country. We have our independence, we have our problems and questions. That's it," Zelensky told CNN after making a statement to the press in the Ukrainian capital of Kiev.

Trump's efforts to persuade Ukraine to investigate his political rivals led Congress to launch an impeachment inquiry against the President. Several US officials have testified that Zelensky's government was close to announcing an investigation into the Bidens and Burisma following a phone call with Trump and contacts with US officials.

Bill Taylor, the top US diplomat in Ukraine, testified that US ambassador to the European Union Gordon Sondland told him that Zelensky agreed to make a public statement announcing the investigations in an interview on CNN in September.

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