US Election 2024: US Vice President Kamala Harris focuses on 3 states. (Source: AFP)

US Vice President Kamala Harris has scheduled upcoming campaign events in Pennsylvania, Michigan and Wisconsin as her campaign focuses spending on "blue wall" states as the November 5 election approaches.

Harris is scheduled to appear for an interview with the National Association of Black Journalists in Philadelphia on September 17.

Two days later, the Democratic presidential candidate will join TV star Oprah Winfrey in Michigan for her live "Unite for America" ​​event with 140 different grassroots organizations.

Meanwhile, Ms. Harris's visit to Wisconsin on September 20 will be her fourth trip since she began her campaign for the White House last July.

Vice President Harris’ campaign has mounted a massive statewide campaign with hundreds of staffers. Her supporters in Wisconsin have knocked on more than 500,000 doors and signed up more than 3,000 new volunteers since last week’s debate with Republican Donald Trump.

Regarding the US election, on September 12, speaking to supporters at a rally in North Carolina, US Vice President Harris believed that voters in this country deserve to see another debate between her and Mr. Trump.

Earlier that day, former President Trump announced that he would not participate in any more debates with Ms. Harris before the November 5 election.

On his social network Truth Social, the Republican presidential candidate wrote "there will be no third debate, including the previous debate with US President Joe Biden in late June and his September 10 confrontation with Ms. Harris.