Saying voters are being disenfranchised, two groups are asking a federal judge to void an Arizona law that says ballots have to be received by county officials by 7 p.m. on Election Day to be counted.

Secretary of State Katie Hobbs is urging a federal judge to throw out a challenge to a law that could make it more difficult for groups to put initiatives on the ballot.

A new lawsuit seeks to strike down a statute that can invalidate otherwise legitimate and qualified signatures on an initiative petition.