Sri Lanka, Feb. 9 -- US President Joe Biden was found by a special counsel to have "wilfully retained and disclosed classified materials" but he will not face charges.

A Special Counsel report said he had kept secret documents related to military and foreign policy in Afghanistan after serving as vice-president until 2017.

But they said it would be difficult to convict Mr Biden as he comes across as an "elderly man with a poor memory".

The White House hit back at that characterisation.

"We do not believe that the report's treatment of President Biden's memory is accurate or appropriate," wrote White House lawyer Richard Sauber.

"The report uses highly prejudicial language to describe a commonplace occurrence among witnesses: a lack o...