Authorities said the "mind-boggling" fraud involved tens of millions of dollars and included members of organised crime.

She was married to Ghana's longest-serving leader Jerry John Rawlings and known for her women's rights work.

Zhao was sentenced to four months in prison in 2024 after pleading guilty to violating money laundering laws.

Zhao was sentenced to four months in prison in 2024 after pleading guilty to violating money laundering laws.