Vice President Kamala Harris will campaign Sunday in Philadelphia, the largest city in a critical battleground state where Democrats are hoping to drive up voter turnout. Harris campaign officials on Tuesday confirmed her trip to the city — her ninth of the campaign — but did not say where or when on Sunday Harris will appear.

Vice President Kamala Harris has made significant inroads with young voters in recent months, new polling reveals. In the latest CNBC/Generation Lab survey of Americans between 18 and 34 years old, 60% said they were voting for Harris, while 40% said they were voting for former President Donald Trump.