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?

Boardman ruled that Trump's executive order would violate the Fourteenth Amendment to the US Constitution and contradicts over a century of binding Supreme Court precedents, as well as the nation's 250-year history of birthright citizenship.

The nationwide injunction, from a Maryland case, is more permanent than last month’s restraining order from a judge in Seattle.