Russia is feeling the pinch from President Donald Trump’s latest sanctions, as world energy markets show the new prohibitions on Rosneft and Lukoil are having some effect.

With Europe imposing sanctions on Moscow, there has been a growing network of vessels sailing without a valid flag from Russia through European waters.

Elsewhere, the president of Finland warned that a ceasefire in Ukraine is unlikely before the spring and urged European allies to keep up support.

A Russian national, now in Azerbaijan, is suspected of coordinating a 2024 parcel plot targeting air cargo planes in Europe.

A full-scale invasion of Poland, in the manner Russia invaded Ukraine, is rather not viable, given Russia's current military capacities, Poland's military build-up and the collective defense guarantees of NATO membership, Michnik said, "however, this reality must not diminish Poland’s ongoing preparation."

Oil prices settled higher on Tuesday after a choppy session as traders weighed the impact of Western sanctions on Russian oil flows, as well as U.S. President Donald Trump saying his administration had started interviewing for the next Federal Reserve chair.