Democratic state attorneys general on Friday sought to block President Donald Trump's proposal for a sweeping overhaul of U.S. elections in a case that tests a constitutional bedrock — the separation of powers.

A federal judge appeared open on Friday to blocking enforcement of U.S. President Donald Trump's sweeping executive order overhauling elections that calls for requiring voters to prove they are U.S. citizens and barring states from counting mail-in ballots received after Election Day.

A federal judge on Thursday blocked the Trump administration from dismantling AmeriCorps in two dozen Democratic-led states, another blow to President Donald Trump’s efforts to shrink vast swaths of the federal government.