Hillary Clinton has scheduled an event with supporters on Friday at which she is likely to end her bid for the White House, ABC News reports on its Web site.
The network did not cite the source of its intelligence, saying only that it had learned of the development.
The first post on the Web site said outright that Clinton will drop out of the race Friday. But a subsequent post said she was planning to drop out and had scheduled a meeting with her supporters at which she would likely announce an end to her historic campaign.
This story is developing.
Check back for details.