The lawsuits argue that the 14th Amendment to the U.S. Constitution guarantees citizenship for people born and naturalized in the U.S.

A federal court in the US state of Washington has temporarily blocked President Donald Trump's executive order aimed at redefining birthright citizenship.

A federal judge blocked Donald Trump's attempt to restrict birthright citizenship in the United States on Thursday as liberal states scored their first victory against the new president's hardline ...

A federal judge temporarily blocked Donald Trump's executive order denying birthright citizenship to children of non-citizen parents, calling it "blatantly unconstitutional." ...