Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

President Donald Trump announced that the U.S. will send "top-of-the-line weapons" to Ukraine via NATO countries, in a package expected to include Patriot air defense batteries. He also threatened Russia with "severe tariffs" of up to 100% if there isn't a deal to end the war in Ukraine within 50 days,

As Trump demands a deal to end the Ukraine war in 50 days, Russia's deputy foreign minister says "demands, especially ultimatums, are unacceptable."

President Donald Trump has softened his stance on NATO. He once called the Western alliance "obsolete." Now, he says, it's the "opposite of that."

President Donald Trump is anticipated to meet with NATO chief Mark Rutte, make a "major" announcement on Russia, and join an AI and energy summit during his 26th week in office.

The view from Kharkiv, Ukraine, as Russia continues its large and deadly airstrikes on cities and civilians President Trump says NATO allies will buy weapons from the U.S. and give them to Ukraine. Trump also said he'd apply economic penalties on Russia in 50 days unless it agrees to a peace deal.

NATO members that border Russia are buying US-made HIMARS. One defense minister told BI that the war shows deep strike abilities are needed.

Trump's threat against Russia runs parallel to a Senate-led effort to pass crippling sanctions on countries that buy Russian energy.