The Trump Campaign has filed a lawsuit in Sparks Nevada contesting votes at that grocery store where they stayed open to accomodate the huge crowd—saying votes were cast after the poll should have closed—that people got in line after closing.
Updated ETA: it is four locations
Pete Williams is saying poll workers also decided early in the day that they would stay open til 10 (after normal closing times)
Trump is asking that they set these ballots aside and not mix them into the other NV ballots until the court rules.
ETA 2—-Clinton campaign calling it a blatant attempt to suppress the vote.