Democrat candidate Kamala Harris on Tuesday, August 6, picked Minnesota Governor Tim Walz, a former school teacher and member of Congress, as her vice-presidential nominee in the US elections due in November.

Harris announced her vice presidential nominee after being confirmed on Monday as the presidential candidate of Democratic Party.

Announcing her decision on X, Harris wrote on social media that Walz stood out from the competition because "his convictions on fighting for middle class families run deep.”

"As a governor, a coach, a teacher, and a veteran, he's delivered for working families like his,” she said.

"It's great to have him on the team.”

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Walz, 60, said it was "the honor of a lifetime" to join the incumbent US Vice President on the Democrat ticket.

Walz will appear with Harris later on Tuesday at a campaign event in Philadelphia, Pennsylvania, before they begin a five-day tour of other key battleground states.

They will also speak at the Democratic National Convention later this month, from August 19 to 22 in Chicago, when the Harris-Walz ticket will be made formal.

Harris will face former President Donald Trump, the candidate of the Republican Party, in the 2024 elections.

Harris announced her running mate about three weeks after Trump picked Senator JD Vance of Ohio as his potential vice president.