Republican Senate candidate David McCormick won the Pennsylvania Senate race, ousting incumbent Senator Bob Casey in a surprise upset after trailing him for months. McCormick's victory is seen as a sign of Donald Trump's influence in the battleground state. Republicans aimed to pick up the seat in the swing state to expand their Senate majority. McCormick, a businessman and former CEO, ran as a job creator and ally of Israel. Casey, who has represented Pennsylvania since 2007, ran on protecting access to abortion rights, healthcare, Social Security, and Medicare.