Merkel is to relinquish power after German elections on September 26, bringing an end to her 16 years in office.
Bank says Taliban fighters handed over $12m in cash and gold seized from the homes of former government officials.
The vote was announced for September 20 after the dissolution of parliament.
Rebeca Grynspan has become the first woman to head of the United Nations Conference on Trade and Development.
Yusufi says he cannot contemplate a return home with his family.