By Diego Oré MEXICO CITY (Reuters) -Mexicans vote on Sunday in the country's first ever judicial elections, part of an overhaul of the nation's judiciary that critics warn could jeopardize the rule of law.

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

Mexico is conducting its first-ever judicial elections to elect 2,600 judges and magistrates, including all nine Supreme Court justices.