OKLAHOMA CITY (AP) — Oklahoma Democrats are urging Republican leaders to resurrect a Medicaid expansion plan that would infuse hundreds of millions of federal dollars into the state's health care system.

House Democratic leader Rep. Scott Inman said Thursday he was prepared to deliver the votes of all 26 House Democrats in support of $1.50-per-pack cigarette tax to help fund the state's portion of the plan.

Republican Gov. Mary Fallin endorsed the proposal last year, describing it as a "rebalancing" since it would shift 175,000 from Medicaid into the federal health exchange, while adding about...