The Pennsylvania Department of State late Tuesday instructed county election officials that undated or wrongly dated mail ballots were to be set aside but not counted.
Veteran state Sen. Pat Browne's chances at re-election appeared to diminish this week as counties gave preliminary certification to vote counts from the May 17 Republican primary election that gave Jarrett Coleman a slim, unofficial 19-vote lead over Browne.
How Trump's endorsement of Oz gave Kathy Barnette an unexpected opening in Pennsylvania kesq.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kesq.com Daily Mail and Mail on Sunday newspapers.