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

U.S. Secretary of State Marco Rubio said on Tuesday that now is the time for concrete proposals from Moscow and Kyiv to end ...

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

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

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

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

Kyiv and US could sign vital minerals deal within 24 hours after breakthrough - Putin’s forces pressing on harder than ever ...

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

KYIV, Ukraine (AP) — Ukraine is prepared to sign a landmark mineral resources agreement with the United States in Washington ...

U.S. Secretary of State Marco Rubio said on Tuesday that now is the time for concrete proposals from Moscow and Kyiv to end ...