Judges aligned with Mexican President Claudia Sheinbaum's ruling Morena political party are expected to dominate the country's Supreme Court after a vote that critics feared would weaken checks and balances on the executive branch's power.

Preliminary vote tallies from Mexico's first judicial elections indicate the ruling Morena party is headed toward control over the Supreme Court.

The Morena party controls most of Mexico’s government. Its sway over the Supreme Court is set to increase after a judicial election that raised fears about democracy.