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.

Nearly 90 percent of voters did not cast ballots on Sunday, one of the lowest turnouts in any federal election since Mexico became a democracy.

MEXICO CITY — Mexico held its first-ever judicial elections Sunday, stirring controversy and sowing confusion among voters who struggled to understand a process set to transform the country's court system.