OKLAHOMA CITY (AP) — Gov. Kevin Stitt's administration submitted a proposal Friday to the federal government to expand Medicaid to Oklahoma's poorest residents, but Republican lawmakers are balking at a plan to pay for the state's share.

The state's Medicaid agency, the Oklahoma Health Care Authority, submitted its plan to the U.S. Centers for Medicare & Medicaid Services that would become effective July 1.

A Medicaid expansion would extend health insurance to low-income adults who earn up to 133% of the federal poverty level, or $16,970 for an individual and $34,846 for a family of four. The...