Fetterman vs. Oz: Results of the key US Senate race are tight as votes pour inFetterman vs. Oz: Results of the key US Senate race are tight as votes pour in, Fetterman supporters gather in Pittsburgh

Control of the U.S. Senate could depend on whether Pennsylvanians elect Democrat John Fetterman or Republican Dr. Mehmet Oz on Tuesday, capping a bare-knuckled and extraordinary campaign for an open seat.

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