Russia already controls a fifth of Ukraine, including about three-quarters of Donetsk province, which it first entered in 2014.

Ukrainian President Volodymyr Zelenskyy says he will meet U.S. President Donald Trump in Washington on Monday after a Russia-U.S. summit concluded without an agreement to stop the fighting in Ukraine after 3 1/2 years.

Zelensky has rejected Russian demands to cede Ukrainian land. The Ukrainian leader and his European partners, including the leaders of Britain, France and Germany, had lobbied the White House for weeks to demand that Moscow agree to a ceasefire before any negotiations.

You can scroll back through this page to see how we’ve gathered eyewitness accounts of a runway collision at Manchester Airport, tracked Russian advances along the front line in Ukraine and dug into the data behind claims that deleting old emails can help save water.

The problem is that they have no strategy of their own for ending the Ukraine war, other than hoping to contain Russia over the longer term.

President Donald Trump and Russian President Vladimir Putin head to Alaska on Friday for a high-stakes summit as the U.S. seeks a ceasefire in the Russia-Ukraine war.One key party who will not be in attendance Friday at Joint Base Elmendorf-Richardson in Anchorage,

Former NATO Supreme Allied Commander Gen. Phillip Breedlove (ret.) gives his expectations for the Trump-Putin summit on 'The Story.'

Christiane Amanpour speaks with Michael Kimmage, professor at the Catholic University of America, about the prospects for peace brokered by the United States between Russia and Ukraine.