Democratic Senate candidate Mary Peltola has denied knowing anything about an effort to put another candidate on the Alaska ballot with the same name as the Republican incumbent, as the Justice Department escalated a criminal investigation with new grand jury subpoenas.

President Donald Trump on Thursday canceled weekend rallies in Iowa and Kansas, opting instead to support Republican candidates with telerallies that his party said could reach more voters in nearly two dozen states in the final days of a midterm election that could cost the GOP control of Congress.

Ohio governor candidate Vivek Ramaswamy's controversial attack ad featuring the estranged mother of his Democratic opponent, Dr. Amy Acton, is off the air after the Republican spent about a quarter of what his campaign initially said it would invest to run it.