A high-energy crowd rallied on Sunday in Pittsburgh to support Representative Summer Lee, a left-leaning congresswoman whose primary on Tuesday is a high-profile test whether she can stave off a challenge aimed in part at her stance over the war in Gaza. Headlining the event were Representative Alexandria Ocasio-Cortez of New York, the progressive lawmaker, and Justin Jones, the Tennessee state representative who rose to stardom when he was briefly ousted for protesting inaction on state gun legislation. Speakers framed Ms. Lee’s race, in Pennsylvania’s 12th District, as crucial to building a movement for working people and to fighting what they cast as billionaire influence in the race. The rally with several hundred supporters drew a small group of protesters who held signs outside the headquarters of the Pittsburgh Federation of Teachers to criticize Ms. Lee and Ms. Ocasio-Cortez’s stances on the war in Israel and Gaza. Ms. Lee’s primary is one of the first down-ballot electoral tests of the Israel-Gaza conflict this year.

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Persons: Summer Lee, Alexandria Ocasio, Cortez, Justin Jones, Ms, Lee Organizations: Pittsburgh Federation of Teachers Locations: Pittsburgh, Gaza, Cortez of New York, Tennessee, Pennsylvania’s 12th, Israel, Lee’s