Mary Peltola denies knowledge as party accused of recruiting spoiler candidate with same name as sitting Republican

• Alaska Senate race: what to know about Democrats’ alleged ballot-stacking effort

The top federal prosecutor in Alaska confirmed on Friday the existence of a criminal and a civil investigation into an alleged scheme by Democrats to confuse voters by recruiting a spoiler candidate on the ballot for US Senate who shares a name with the Republican incumbent, senator Dan Sullivan.

Speaking at a news conference in Anchorage on Friday, US attorney Michael Heyman cited reporting by the New York Times which suggested that the Senate campaign of Democrat Mary Peltola and national Democrats had, in his words, “orchestrated a sprawling conspiracy to recruit and prop up Daniel J Sullivan as a sham candidate”.

Candidate for Ohio governor confirms campaign no longer airing ad that smeared rival and was defended by Trump

Vivek Ramaswamy, the Republican nominee for Ohio governor, confirmed on Thursday that his campaign is no longer airing an attack ad that features the estranged mother of his Democratic opponent, Amy Acton.

The ad prompted a wave of revulsion since Acton’s mother, Donna Arthur, lost custody of her daughter in 1978, when her second husband, Cledith Arthur, was charged with raping her daughter between the ages of 10 and 12.