Editor's note: This story contains graphic descriptions of an alleged sexual assault.
Updated at 12:56 p.m. ET
New information has emerged in recent days about a sexual assault allegation against the presumptive Democratic presidential nominee, Joe Biden, made by Tara Reade, a former staff assistant in Biden's Senate office. For the first time, someone has gone on the record to say that Reade detailed the allegation to her decades ago in the same way Reade is describing it now.