JEFFERSON CITY, Mo. (AP) — Missouri Gov. Eric Greitens has acknowledged being "unfaithful" in his marriage but denies allegations that he blackmailed a woman to stay quiet, following a bombshell news report that overshadowed his annual address to the Legislature.

The Republican governor and his wife released a statement late Wednesday after St. Louis television station KMOV reported that he had a sexual relationship with his former hairdresser in 2015. The station reported that the woman's ex-husband alleged Greitens photographed her nude and threatened to publicize the images if she spoke abo...