Here are the key takeaways from the talks in Washington. Given his acrimonious last visit to the Oval Office in February, the Ukrainian president went to considerable lengths to be collegial and charm his American hosts - including a flurry of six "thank yous" within the first few minutes of the meeting.

U.S. President Donald Trump met with Ukrainian President Volodymyr Zelenskyy on August 18 in the Oval Office, alongside European leaders from Germany, France, and the United Kingdom. The meeting followed Trump’s August 15 summit with Russian President Vladimir Putin in Anchorage, Alaska.

Russia struck the central Ukrainian city of Kremenchuk overnight, leaving a thick column of smoke hovering over the city in an attack that the local mayor called a sign that Russian President Vladimir Putin does not want peace.

It is quite possible that Monday's meeting in the White House could prove even more crucial to the future of Ukraine - and for all of Europe's security - than last Friday's US-Russia summit in Alaska. On the surface, that Putin-Trump reunion seemed to live down to every expectation. There was no ceasefire, no sanctions, no grand announcements.

European leaders backed Ukraine's Volodymyr Zelenskyy in his return to the White House to press Donald Trump on security guarantees and block territorial concessions. The mood at the White House in Washington,

Trump Suggests US Planes, Pilots Could Support Ukraine As Part Of Security Guarantees President Trump called Hungarian Prime Minister Viktor Orban on Monday to win his support for

ABC News’ Stephanie Ramos is joined by the former U.S. ambassador to Ukraine, William Taylor, to weigh in on the aftermath of Trump’s meeting with Ukraine and European leaders.

An overnight Russian attack that rocked the central Ukrainian city of Kremenchuk and left hundreds of customers in the Poltava region without power shows that Russian President Vladimir Putin does not want peace,