CHICAGO (CBS) — Paramedics were called to McCormick Place after receiving a report that more than a dozen revelers at President Barack Obama’s election night gathering were overcome by heat-related illnesses.

Six people were taken to nearby hospitals, said Fire Media Affairs Director Larry Langford.

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Thirteen people were treated and released by paramedics stationed at the election night party, Langford said. None of the injuries was expected to be life-threatening.

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“It’s nothing terrible,” Langford said. “It’s a little tight inside. People are just getting a little overheated and excited.”

Some of the people treated were elderly or had breathing problems, Langford said.

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The call went over radio scanners about 11:15 p.m., when some networks began projecting that President Obama would go on to serve another term in the White House.