HARRISBURG (AP) — The Latest on the Pennsylvania primary election (all times local):

9:40 p.m.

A four-term congressman who is a staunch supporter of President Donald Trump has won the Republican nomination for U.S. Senate in Pennsylvania.

U.S. Rep. Lou Barletta had paid little attention to his Republican rival, state Rep. Jim Christiana, during the primary campaign. Instead, he focused his attacks on the candidate he is looking to unseat in the fall, two-term Democratic Sen. Bob Casey.

Barletta is a former small-city mayor who first got national notice for attempting to pass local laws to combat illegal immigration.

Barletta endorsed Trump for president. Trump asked Barletta to run for Senate and is expected to campaign for him.

Casey is the son of a former Pennsylvania governor and is among 10 Democratic senators seeking re-election in states won by Trump.

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9:20 p.m.

Polls are staying open late in one tiny borough in northeastern Pennsylvania.

The Pocono Record reports a storm-related gas leak temporarily forced the polls to close in Delaware Water Gap Borough, but they have now reopened. Voters will be able to cast ballots in Pennsylvania’s primary until 10:30 p.m.

The borough has fewer than 1,000 residents.