President Barack Obama addresses a crowd at Doolittle Park.
Pop star Katy Perry warms up the crowd with a music performance.LAS VEGAS (FOX5) -
President Barack Obama capped off a day-long marathon of campaigning Wednesday with a rally at Doolittle Park in Las Vegas.
Following a few speakers and a performance by pop singer Katy Perry, the president took the stage just before 10 p.m.
Free tickets for the event were distributed through Tuesday, and they were on a first-come, first-served basis, officials said.
Perry's appearance for Obama came a day after actress Eva Longoria appeared at a early vote rally at UNLV in support of the president.
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