Under the New Hampshire law, anyone seeking to register to vote must have documents in hand proving their citizenship, ending a decades-old policy that allowed new voters to sign legally binding affidavits if they failed to bring certain documents to the polls on Election Day.

The laws are aimed at safeguarding elections. Opponents say they could disenfranchise millions of eligible voters, including some married women.

Lawyers for the American Civil Liberties Union of New Hampshire are asking a federal judge to strike down one of the most restrictive voter-identification laws in the country.

State and local election officials from across the country are meeting Thursday to consider President Donald Trump's executive order that seeks major changes to how elections are run, the first time those in charge of the nation's voting will formally gather to weigh in on its implications.

A federal judge won't yet decide on a request from Democrats and voting rights groups to block parts of President Donald Trump's recent executive order on elections.