Donald Trump’s threat to impose secondary sanctions on countries buying Russian oil is probably more symbolic than practical, leading oil analyst and senior fellow at the Carnegie Russia Eurasia Center,

Russia continued its nightly bombardment of Ukrainian cities overnight into Tuesday, after President Donald Trump said the U.S. would send military equipment to Kyiv.

President Donald Trump may have expected a Russian shudder of fear to greet his threat of “very severe tariffs” on the country if it didn’t agree a ceasefire in Ukraine.