Rep. Gergely was elected in 2023 to represent Pennsylvania's 35th district, which covers parts of the Mon Valley.

The death of Rep. Matt Gergely has shaken up the makeup of the Pennsylvania House of Representatives. It will be split 101-101 among Democrats and Republicans until a special election is held. The Pennsylvania House of Representatives is evenly split among Democrats and Republicans after the death of an Allegheny County lawmaker.

The rule in question impacts mail-in voters in Pennsylvania, who are required to place their completed ballot in a secrecy envelope and then into an outer return envelope. On the return envelope, voters must sign and date a declaration affirming their eligibility to vote.

The US Supreme Court on Tuesday declined to hear a challenge to Pennsylvania's mail-in ballot date requirements. The plaintiffs in the class action lawsuit include the NAACP, the American Civil