President Donald Trump’s sweeping executive order directing major changes to US voter registration and how mail-in ballots are counted is being challenged as unconstitutional in a lawsuit by nonprofits representing Latinos,

Democratic groups and non-partisan organizations sued Monday over an executive order targeting election procedures signed last week by President Donald Trump, kicking off two separate court fights over Trump’s attempt to unilaterally revamp how elections are run.

When she was working as an election official in Arizona years ago, Tammy Patrick encountered voters who supported what was then the state’s new “proof of citizenship” law for voter registration — only to realize that they had been disenfranchised by it.