Mechanical problems delay first lady's plane

Oct. 26, 2012: First Lady Michelle Obama speaks at a campaign rally in Las Vegas. (AP)

LAS VEGAS – First lady Michelle Obama is returning to Washington after her plane was delayed in Nevada Friday night because of mechanical problems.

A McCarran International Airport spokesman says her aircraft was held up for three hours but departed about 9 p.m. PDT.

Glenn Gardner says he doesn't know the nature of the mechanical issues that delayed her flight home.

The first lady was in Las Vegas Friday campaigning.