Separately reported bomb-threat incidents in Michigan also were determined ... a possible prelude to challenges after Election Day. In Georgia, a federal judge rejected as “frivolous” a last-minute effort by Republicans to challenge Atlanta-area ...

And the FBI warned that faked video clips were circulating on the internet telling Americans to “vote remotely” because of a terrorist threat.

Hoax bomb threats, many of which appeared to originate from Russian email domains, were directed on Tuesday at polling locations in five battleground states — Georgia, Michigan, Arizona, Wisconsin and Pennsylvania — as Election Day voting was underway,