NATO General Secretary Jens Stoltenberg on Thursday said that NATO has activated chemical, biological, and nuclear defence elements in wake of the threats being issued by Russia of changing the nature of the conflict using biological weapons in Ukraine

"The nature of the response would depend on the nature of the use"

Just 60 miles from the Ukrainian border, President Joe Biden paid tribute on Friday to Poland for giving refuge to more than 2 million Ukrainians who have fled their country since Russia’s invasion

Jake Sullivan, President Joe Biden's national security adviser, gave the administration's strongest indication yet that the United States believes Russia might invade NATO countries.

National security adviser Jake Sullivan clarified the United States would not retaliate with chemical weapons, despite President Joe Biden saying he would respond "in kind," should Russian President Vladimir Putin tap into his chemical arsenal in Ukraine.

RZESZÓW (Poland), March 25 — US President Joe Biden came up-close to the war in Ukraine today after forging a new set of measures with Europe designed to place a tighter squeeze on Russia’s tottering, energy-rich economy. Biden visited Poland as a clearer scale of the ruin emerged from...

The US president shared pizza with members of the US Army’s 82nd Airborne Division.

US President Joe Biden landed in Rzeszow, Poland, today to get a first hand look at international efforts to help some of the millions of Ukrainian refugees fleeing war in their country.

President Joe Biden mistakenly referred to Defense Secretary Lloyd Austin as his secretary of state, also accidentally using Austin's former military title.

WARSAW, Poland (AP) — President Joe Biden’s visit to Poland on Friday gave him a chance to underscore the U.S. commitment to protect a key NATO member on Ukraine’s doorstep and to thank Poles for the

Mr Biden also visited some of the thousands of US troops who have been sent to the Poland-Ukraine border.

RZESZOW, Poland — Just 60 miles from Ukraine, President Joe Biden saluted Poland on Friday for welcoming more than 2 million refugees who have fled Russia's invasion. Then he met with humanitaria

US president meets paratroopers and Andrzej Duda in highly symbolic visit

WARSAW, Poland — President Joe Biden departed Europe’s diplomatic-bureaucratic capital for a town on the edge of NATO’s eastern flank. It was as close to the war in Ukraine that he said he could go.

Since before Russia invaded Ukraine, thousands of people from both nations have fled to Mexico in the hope of making it to the United States.