TOPEKA, Kan. (AP) — Conservative Republicans in Kansas failed Monday to overturn the Democratic governor's veto of a proposed ban on transgender athletes in girls' and women's sports, unable to convert successes in other states or Caitlyn Jenner's support into enough momentum.

The state Senate voted 26-14 to override Gov. Laura Kelly's veto, leaving supporters a single vote short of the necessary two-thirds majority. Senators' decision blocked a vote in the House.

Kansas became the second state within two weeks, after North Dakota, where a legislature with Republican supermajorities failed to...