President Donald Trump on Thursday appeared to offer a rationale for Ukraine to go on offense against Russia, notable rhetoric as the momentum around peace talks has stalled.

U.S. President Donald Trump started the week declaring a diplomatic breakthrough in his bid to prod Moscow and Kyiv closer to peace, announcing he had begun arranging for direct talks between Russia's Vladimir Putin and Ukraine's Volodymyr Zelenskyy.

As US President Donald Trump struggles to bring both Russia and Ukraine to the negotiation table, a report revealed that the Pentagon had blocked Ukraine from using American long-range missiles within Russian territory.

Progress toward ending the Ukraine war appears to have slowed after Donald Trump's meeting with Vladimir Putin, with no planned meeting with Volodymyr Zelenskyy.

Nahal Toosi is POLITICO’s senior foreign affairs correspondent. She has reported on war, genocide and political chaos in a career that has taken her around the world. Her reported column, Compass, delves into the decision-making of the global national security and foreign policy establishment — and the fallout that comes from it.

Children that Ukraine says were taken by Russia are at the heart of peace talks thanks to a monthslong effort by Western officials and evangelical Christian groups.

Donald Trump may tell Ukraine and Russia “it’s your fight” if they fail to make progress on peace talks in the next two weeks.

Russia rains down 614 missiles and drones in massive overnight assault on Ukraine, hitting a US-owned company near NATO borders and raising questions about Putin's negotiation intentions.

President Donald Trump said Friday he will give Russian President Vladimir Putin “a couple of weeks,” further extending a deadline for potential consequences against Moscow after urging the Russian leader and Ukrainian President Volodymyr Zelensky to meet.

Russia's top military and political officials joined Putin in the closed city of Sarov, which houses the Russian Federal Nuclear Center, on Aug. 22.