The sitting US president launched an investigation into his predecessor's administration, suggesting it hid Joe Biden's "cognitive decline" from the public. View on euronews

President Donald Trump is directing his administration to investigate Joe Biden’s actions as president, alleging aides masked his predecessor’s “cognitive decline” and raising questions about his use of the autopen to sign pardons and other documents.

Biden referred to the claims as “ridiculous and false” in a statement issued following Trump's announcement. Within his presidential memoranda, Trump claims that aides of the