Unmanned aircraft were also spotted across the Baltic nations, Romania and Norway, though Russia refutes any misconduct. The Polish violation prompted a Quick Reaction Alert, with both Polish Air Force jets and additional NATO military forces deploying aircraft in response.

Russian armed forces will respond forcefully in the event of strikes deep inside Russia, Kremlin spokesman Dmitry Peskov said in remarks published on Sunday.

Soaring fuel prices and refinery shutdowns leave pumps empty across Russia, with the Kremlin warning gas station owners not to raise prices.

President Donald Trump is warning Russia that he may send Ukraine long-range Tomahawk missiles if Moscow doesn't settle its war there soon

Polish Prime Minister Donald Tusk does not expect lasting peace in Ukraine as long as Russian President Vladimir Putin is in power, he told British newspaper The Sunday Times. The conflict threatens to become a "permanent forever war" unless something drastic changes in Russia,

This cluster of quakes serves as a reminder that large subsea seismic events near Russia can trigger trans-Pacific tsunami alerts, with possible effects for Alaska, Hawaii, and the US West Coast. The pair of earthquakes that struck Saturday were both moderate in strength, measuring at 5.2 and 5.3 magnitude, according to the USGS.

Russia's GDP growth is expected to fall short of the 2% annual growth target required to cover defense, security, social spending, and investment.

The president of Finland has warned Europe to keep engaging with Donald Trump or risk Russia swaying him again, The Telegraph can disclose.