Freshman Rep. Summer Lee (D-PA) is calling in some high-powered support to win a second term in the House, with the Pennsylvania election on Tuesday serving as the first test of whether Democratic lawmakers actively calling for a ceasefire in Gaza can survive primary challenges.

The Democratic-held House seat in Pennsylvania’s 12th District is not expected to be competitive come November. But despite being a prominent member of the progressive “Squad” in Washington, Lee now faces a contentious primary challenge over her views on Israel in a district with a significant Jewish population and where the Tree of Life synagogue attack took place in 2018 that killed 11 worshippers.