The United States will walk away from efforts to broker a Russia-Ukraine peace deal after months of efforts have failed to ...

US President Donald Trump has threatened to attack Iran if it does not agree on a deal with the United States over its ...

Rubio spoke in Paris after talks among U.S., Ukrainian and European officials produced outlines for steps toward peace and ...

U.S. Secretary of State Marco Rubio says the U.S. may be ready to “move on” from efforts for a Russia-Ukraine peace deal if ...