ISTANBUL -- Ukraine and Russia will resume negotiations on Monday in Istanbul as diplomatic efforts to end the conflict continue, Turkish authorities announced on Sunday.

Russia on Sunday claimed that it took control of another settlement in Ukraine's northeastern border region of Sumy. According to a Defense Ministry statement, Russian forces in the region captured the village of Oleksiivka, located about 5 kilometers (3.1 miles) from Ukraine's border with Russia.

By making harsh, uncompromising demands in peace talks with Ukraine while continuing to pummel it with waves of missiles and drones, Russian President Vladimir Putin is sending a clear message: He will only accept a settlement on his terms and will keep fighting until they're met.

President Donald Trump appeared to distance the U.S. from the conflict between Russia and Ukraine — just two days after speaking over the phone with Russian President Vladimir Putin. Trump, who called Ukrainian President Volodymyr Zelenskyy Monday before speaking to Putin and after with European leaders,

At the Shangri-La Dialogue, officials warned of the blurred regional lines in global conflicts, as China and North Korea support Russia's war in Ukraine. The convergence of authoritarian states demands a collaborative defense strategy.

Russia and Ukraine swapped hundreds more prisoners on Sunday, the Russian defense ministry said. The announcement came hours after a massive Russian drone-and-missile attack targeted Ukraine.

A bipartisan pair of US senators met with Ukrainian President Volodymyr Zelensky in Kyiv on Friday and urged stronger sanctions against Russia, while uncertainty swirls over whether the next round of peace talks will move ahead in the coming days.

Building on the security concerns and achievements primarily in the Central Asian and Eurasian regions has been the main focus for Russia. The current