By David Brunnstrom, Simon Lewis and Alasdair Pal WASHINGTON (Reuters) - The United States, Australia, India and Japan recommitted to working together on Tuesday, after the first meeting of the China-focused "Quad" grouping's top diplomats since President Donald Trump returned to the White House.

Washington state is suing the Trump administration over the president's executive order to end birthright citizenship, with Arizona, Oregon, and Illinois joining the lawsuit. Why it matters: The legal challenge,

Two dozen Democratic-led states and cities are challenging President Donald Trump’s bid to end birthright citizenship in court, a major constitutional challenge to one of the White House’s signature policies.

Attorneys general from 22 states, including Oregon and Washington, are suing to block President Donald Trump’s move to end birthright citizenship. Birthright ci

Russia has been told by the United States that it has granted approval for the appointment of the new Russian ambassador to Washington, a senior Russian lawmaker told state television on Monday.

President-elect Donald Trump’s inauguration on January 20 will mark the 60th presidential swearing-in ceremony in United States history.

Legal experts said the president’s executive order would upend precedent and is unlikely to pass constitutional muster.

The lawsuit to block the president’s executive order is the first salvo in what is likely to be a long-running legal fight over immigration policy.

President Trump invoked presidential powers to begin his long-promised immigration crackdown shortly after taking office on Monday.

Oregon on Tuesday joined a growing list of Democratic-led states suing the Trump administration over its efforts to roll back birthright citizenship in the country.

Attorneys general from 18 states sued to block President Donald Trump’s move to end a decades-old immigration policy known as birthright citizenship guaranteeing that U.S.-born children are citizens regardless of their parents’ status.

President Trump said on Tuesday that he intended to impose a 10 percent tariff on Chinese imports into the United States on Feb. 1, a decision that is sure to escalate trade tensions between the world’s largest economies.