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.

Secretary of State Marco Rubio has met with his counterparts from Australia, India and Japan as the Trump administration kicks off its formal foreign policy engagements in discussions with the Indo-Pacific “Quad.

This meeting came after the inauguration of Donald Trump as president and was the first under his second term as President of the United States.