Ukraine must investigate Joe Biden's son, says ex-Ukrainian PM
Ukraine's National Anti-Corruption Bureau said it was investigating activity at Burisma between 2010-2012, but that it was not looking into changes to its board in 2014 when Hunter Biden joined.
Former Ukrainian Prime Minister Mykola Azarov attends an interview with Reuters in Moscow, Russia September 26, 2019. Picture taken September 26, 2019(photo credit: REUTERS/EVGENIA NOVOZHENINA)ByREUTERS