White House Deputy Chief of Staff Stephen Miller said that the number of people ineligible for automatic US citizenship had been extended

Additional details weren't provided, but Trump said he thought his latest actions would be constitutional.

President Donald Trump says he is once again trying to limit birthright citizenship in the U.S. He says he's signing two executive actions on immigration.

Trump takes aim at ‘birth tourism’, setting up court battle

One of the orders bans "birth tourism."