Fox News senior strategic analyst Gen. Jack Keane (Ret.) joins 'America's Newsroom' to weigh in on the continued conflict between Russia and Ukraine ahead of President Donald Trump's planned calls with Presidents Putin and Zelenskyy.

With future U.S. aid in doubt, Kyiv is ramping up domestic production of arms such as its Bohdana howitzer.

The bombardment, which Ukrainian officials said mostly targeted Kyiv, came just a day before President Trump was expected to talk with President Vladimir V. Putin of Russia.

Mercenaries are outlawed under international law. But Russia has misused the label to deny foreign fighters their protections as prisoners of war.

(Reuters) -British Prime Minister Keir Starmer on Sunday discussed the war in Ukraine with leaders of the U.S., Italy, France and Germany, a Downing Street spokesperson said. Looking ahead to U.S. President Donald Trump's call with Russia's President Vladimir Putin on Monday,