“I would tell President Zelensky that if I were you, I would begin an investigation into the Biden’s activities,” Trump quotes CBS News.

He added that "China should also begin an investigation into the Biden."

On September 25, the White House published a transcript of a conversation between US President Donald Trump and Zelensky.

During the conversation, the Ukrainian leader promised that the new Ukrainian Attorney General will study the situation with the son of former US Vice President Joe Biden.