Trump's DOJ filed lawsuits against New York, Connecticut, and Vermont over laws it claims provide in-state tuition and financial assistance to illegal immigrants.
https://www.foxnews.com/media/trumps-justice-department-sues-new-york-blue-states-tuition-illegal-immigrants
https://www.foxnews.com/media/trumps-justice-department-sues-new-york-blue-states-tuition-illegal-immigrants