US president Donald Trump has announced that Russia and Ukraine have agreed to an energy ceasefire and will halt strikes at each other’s energy infrastructure.

As Volodymyr Zelenskyy addressed global leaders and military officials at the Warsaw Security Forum on Monday, Ukraine's president found himself in a familiar position: trying to shore up internationa...

The diesel agreement, if it goes ahead, could send some $4 billion of American money into the Russian economy, energy experts said.