Ukraine’s security agency says it has tracked down and killed Russian agents who assassinated a Ukrainian intelligence officer during the week.The SBU said in a statement said the Russian agents were killed after resisting arrest.

A new book alleges that President Donald Trump told donors he threatened Russian President Vladimir Putin with bombing Moscow if Russia invaded Ukraine.

Rep. Eugene Vindman (D-VA) joins MSNBC’s Ali Velshi to discuss Donald Trump’s shifting explanation of the Ukraine weapons pause and why, according to Rep. Vindman, it’s “dangerous” that our “Commander-in-Chief is the last to know.

Following the Pentagon announcing a pause on weapons, the U.S. president said Ukraine must defend itself from Russia.

US President Donald Trump on Friday assured that Washington will send weapons, including Patriot air defence systems, to Ukraine in a new deal with NATO.

Supporters of US President Donald Trump in the Senate are calling for an investigation into Defense Secretary Pete Hegseth, who reportedly suspended military aid to US allies, most notably Ukraine, without presidential approval,

In a wide-ranging interview with NBC News, Trump talked about tariffs, sending Patriot missiles to NATO for Ukraine and how he'll sell his recently passed "big, beautiful bill."