Although Trump has historically outperformed his Democratic opponents among white and non-college educated voters, the results are a worrying sign for Harris, for whom white women without a college degree could be a crucial demographic, particularly in suburban areas in Michigan, Wisconsin and Pennsylvania.

Vice President Kamala Harris visited the union stronghold of Flint, Michigan, on Friday as she battles with Donald Trump for working-class voters who could tip the scales in this year’s election. Her appearance in the battleground state comes the day after U.

Kamala Harris and Donald Trump are trying to get the upper hand with working-class voters in the closing weeks of the presidential campaign.