Here's a guide to what birthright citizenship is, what happens if Trump's order ends it, and what comes next after lawsuits were filed.

President Trump is seeking to end birthright citizenship in the United States. What is it, which other countries apply the policy and who would be affected by the order?

Three federal courts have blocked President Trump's order denying citizenship to children born to parents without authorization to be in the U.S.

U.S. President Donald Trump's effort to curtail automatic birthright citizenship as part of his immigration crackdown suffered a further setback as a third federal judge said on Monday he would block it.

U.S. District Judge Joseph Laplante agreed to grant a preliminary injunction sought by immigrant-rights groups.