First lady Michelle Obama will be in Cincinnati on Tuesday, Oct. 2, to speak to supporters at Duke Energy Convention Center on the first day of early voting in the state.

The free event is open to the public, but tickets are required because space is limited, according to the Obama campaign.

Tickets will be available on a first come, first served basis on Saturday, Sept. 29, from 9 a.m. to 9 p.m., and if tickets are still remaining, on Sunday, Sept. 30, from 9 a.m. to 9 p.m. at the locations in Cincinnati:

Organizing for America, in the neighborhood of East Walnut Hills, 2718 Woodburn Ave.; Organizing for America, in the city of Forest Park, 1240 W. Kemper Road; Organizing for America, in the Cincinnati neighborhood of College Hill, 5846 Hamilton Ave.; and Organizing for America in the downtown neighborhood of Over-the-Rhine, 1130 Main St.