Liz Cheney leaves Senate race

New York (CNN) -- Liz Cheney, whose upstart bid to unseat Wyoming Sen. Mike Enzi sparked warfare in the Republican Party and within her own family, is dropping out of the primary race, she said on Monday.

"Serious health issues have recently arisen in our family, and under the circumstances, I have decided to discontinue my campaign," the eldest daughter of former Vice President Dick Cheney said in a written statement.

Cheney, 47, began telling associates of her decision over the weekend, CNN reported Sunday night.

She was not specific about the family health issues she cited. (Continues)