U.S. lawmakers have asked the State Department to brief them about Russia's use of Chinese fighters in its war in Ukraine, ...

Secretary of State Marco Rubio has warned both Russia and Ukraine that the US will cease its mediation unless they provide ...

U.S. Secretary of State Marco Rubio urged India and Pakistan to work with each other to de-escalate tensions after last ...

U.S. Secretary of State warns Russia and Ukraine to propose concrete solutions or risk U.S. mediation withdrawal.

US Secretary of State Marco Rubio said Tuesday Washington will cease mediating Russia-Ukraine peace talks unless concrete ...

Ukraine’s military said Russia "increased the intensity" of its fighting Wednesday "despite loud statements of ceasefire ...

Secretary of State Marco Rubio warned on Tuesday that the United States would give up on mediation unless Russia and Ukraine ...

United States Secretary of State Marco Rubio warned on Tuesday that Washington would give up on mediation unless Russia and ...

Zelensky aide reveals the one key sanction Putin hates the most - Ukraine says unconditional ceasefire should be first step ...

As Trump celebrates 100 days in office, Rubio has suggested the administration could soon turn attention to other issues.