KYIV, Ukraine (AP) — Russia’s invading forces have broken into an eighth region of Ukraine, a Ukrainian military official said Wednesday, seeking to capture more ground in their three-year war of attrition as U.S.-led peace efforts struggle to gain traction.

The two countries appear to be trying to raise political pressure on each other and send signals to Washington in case peace talks move forward.

Last week Donald Trump suggested that the US might provide air support in any security guarantees to end the war

Exxon, the top U.S. oil producer, has held numerous discussions with Russian state-controlled oil firm Rosneft about re-entering the project after receiving approval from the U.S. Office of Foreign Assets Control under the administrations of both former President Joe Biden and President Donald Trump, said a separate source familiar with the matter.

"They are living in nearly inhumane conditions. We cannot provide any administrative or social services there," Andriy Besedin, head of the Kupiansk military-civil administration, said.

Ukraine has significantly intensified its attacks against Russia's energy sector over the past few weeks, managing to disrupt oil refining capacity, weakening Moscow’s war economy.View on euronews

Ukraine launched a drone attack on Russia on Sunday, forcing a sharp fall in the capacity of a reactor at one of Russia's biggest nuclear power plants and sparking a huge blaze at the major Ust-Luga fuel export terminal,

Ukrainian forces obliterated a critical part of Russia’s Druzhba oil pipeline overnight — as Kyiv fought back against Moscow’s ramped-up attacks despite ongoing peace deal talks.