How did sensitive government documents from President Joe Biden's time as vice-president of the United States end up in his garage?
That's one of the key questions a special counsel appointed by the nation's top law enforcement official will seek to answer in a probe announced on Thursday, local time, in Washington DC.
US Attorney-General Merrick Garland said it was "in the public interest" to assign veteran prosecutor Robert Hur to investigate Mr Biden's handling of two batches of Obama-era classified documents, recently discovered by the president's legal team.
