A federal judge has temporarily blocked President Donald Trump's executive order ending the constitutional guarantee of birthright citizenship regardless of the parents' immigration status. This comes as the president targets so-called sanctuary cities as part of his immigration crackdown and threatens to prosecute state and local leaders who go against federal immigration policy.

President Donald Trump’s promised immigration crackdown began taking shape immediately upon his return to office this week, as he ushered in a spate of policy changes through executive orders that aim to put the United States out of reach for many aspiring immigrants worldwide.