European leaders are due to hold talks Tuesday on U.S.-led peace efforts to end the war between Russia and Ukraine

Russian allegations of an attack on one of Putin’s residences, denied by Ukraine, injected new uncertainty into U.S.-sponsored peace talks.

Russian officials say that a Ukrainian attack killed 24 people in a Russian-occupied village in Ukraine’s Kherson region, as tensions between the two nations continue to spike despite diplomats hailing productive peace talks.

Russia on Thursday strongly condemned the U.S. seizure of an oil tanker, heralding a new chill in relations between Moscow and Washington that could spread to other areas and affect President Donald Trump's efforts to persuade Russia to end its nearly four-year war in Ukraine.

An oil tanker bound for Russia’s port of Novorossiysk was reportedly hit by a drone in the Black Sea on January 8, with the Palau‑flagged Elbus suffering damage but safely diverting to Turkey’s port of Inebolu and all 25 crew members reported uninjured.

President Trump’s efforts to court President Vladimir V. Putin of Russia are rife with contradictions about stability and displays of American power.

PARIS -- Ukraine’s allies are meeting Tuesday in Paris for key talks that could help determine the country’s security after a potential ceasefire with Russia. But prospects for progress are uncertain with the Trump administration's focus shifting to Venezuela.

Geopolitical tensions put the crypto market at risk of a decline as Russia has vowed to retaliate against the attack on Putin's residence.

Oil prices were little changed on Tuesday as investors took stock of dented hopes of a Russia-Ukraine peace deal and rising geopolitical tensions in the Middle East around Yemen.