President Donald Trump's frustration at trying to get peace in Ukraine is growing as ending a war that raging over three years continues to throw up difficulties.Newsweek has contacted the White House for comment.

The U.S. has expanded its sanctions on Russian companies while simultaneously removing restrictions on the wife of Boris Rotenberg, a close associate of Russian President Vladimir Putin, the U.S. Office of Foreign Assets Control reported on April 2.

Russian forces committed more than 9,000 crimes in the area around Bucha, including 1,800 killings, according to Ukraine's acting prosecutor general, Oleksiy Khomenko.

Russia and Ukraine accused each other on Wednesday of launching new attacks against each other's energy facilities, in violation of a U.S.-brokered moratorium. Both sides said they were providing details of the alleged violations to the United States,

Russia and Ukraine yesterday accused each other of launching new attacks against each other’s energy facilities, in violation of a US-brokered moratorium.

Russia's Defence Ministry on Tuesday accused Ukraine of attacking Russian energy infrastructure twice in the past 24 hours despite a U.S.-brokered moratorium on striking each other's energy facilities.