Ukraine, Russia, and much of the rest of the world are awaiting a planned “major statement” on the conflict by US President Donald Trump amid a flurry of diplomatic activity from Washington to Kyiv.

Ark., joins 'Fox News Sunday' to discuss the attempted assassination of President Donald Trump one year later, the president's tariff policies and his progress on achieving a ceasefire in Ukraine.

On the foreign policy front, Trump said he will send more weapons to Ukraine after the Pentagon paused deliveries of the critically-needed supplies last week. Overnight, Russia launched what Ukrainian officials said was the largest aerial assault since the start of the war.

When a reporter asked Tuesday who approved the pause, President Trump responded curtly: "I don't know. Why don't you tell me?"

The Trump administration has resumed sending some weapons to Ukraine, a week after the Pentagon had directed that some deliveries be paused.

Trump to send weapons to Kyiv after Putin’s forces kill six in drone attacks - US president to make ‘major statement’ on Russia on Monday as he grows frustrated with Putin amid intensified attacks on

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.