The Supreme Court on Friday agreed to review the legality of President Donald Trump's executive order to end birthright citizenship in the U.S., a landmark case that stands to profoundly upend the lives of millions of Americans and lawful U.

The US Supreme court has agreed to hear a case on whether the century-old constitutional right of guaranteed citizenship for those born in the US will remain.

A federal district judge in New Hampshire in July issued a preliminary injunction blocking the order as to a specified class of plaintiffs, holding that the order likely “contradicts the text of the 1...