OKLAHOMA CITY (AP) — While hundreds of anti-abortion activists descended on the Oklahoma Capitol for a rally on Wednesday, a GOP-led House committee failed to pass an anti-abortion bill in a move that could signal a shift in priorities for Republican lawmakers in a deep-red state.

Three freshman Republicans on the House Public Health Committee joined with a Democrat voting against a bill to prohibit abortions based on the diagnosis of a fetal abnormality or Down syndrome. The 4-4 vote, which only temporarily stalls the bill, is a signal that at least some GOP lawmakers are growing weary of ant...