https://en.interfax.com.ua/news/press-conference/617936.html

KYIV. Oct 9 (Interfax-Ukraine) – Former U.S. Vice President Joe Biden received $900,000 for lobbying activities from Burisma Group, Ukraine's Verkhovna Rada member Andriy Derkach said citing investigation materials.

Derkach publicized documents which, as he said, "describe the mechanism of getting money by Biden Sr." at a press conference at Interfax-Ukraine's press center in Kyiv on Wednesday.