TOPEKA, Kan. (AP) — Kansas' top court declared Tuesday that the state constitution doesn't prohibit partisan gerrymandering, prompting one dissenting justice to accuse the majority of ignoring a "full-scale assault on democracy" from a Republican congressional redistricting law.

The state Supreme Court issued the opinion explaining its 4-3 decision last month to approve the new congressional map. It previously issued only a brief opinion that did not explain the majority's reasons.

The new map makes it harder for the only Democrat in the Kansas congressional delegation, two-term Rep. Sharice D...