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

President Trump has been deeply affected by the distressing images of barbarism and bloodshed coming out of Ukraine, according to the daughter of his top envoy to the country — and that may be motivating his “major statement” about the war with Russia expected next week.

Former Vice President Mike Pence says he thinks isolationists “may have lost some of their footing” in President Donald Trump’s administration, as he praised Trump’s tougher talk toward Russia’s Vladimir Putin and his decision to bomb Iranian nuclear facilities.

President Trump announces arrangement where NATO pays for US weapons sent to Ukraine, as Russian strikes intensify across Ukraine, including an attack on a maternity hospital.

US President Donald Trump has called out Vladimir Putin’s “bullshit” and appears to be getting ready to back major US sanctions against Russia. Could this be the end of Trump’s soft spot for the Russian dictator?

President Donald Trump called Russian President Vladimir Putin out for throwing “bullsh*t” on peace talks with Ukraine - hours later, Russia launched its largest ever drone attack on Ukraine. CNN’s Matthew Chance analyzes whether the US leader’s comments have an impact on Russia’s military operations.