Zelensky calls for heavy weapons to defeat Russia.

At least one person in Kyiv has been injured, local authorities reported. Ukraine's Air Force has warned that Russian ballistic missiles are targeting multiple regions, including the capital.

"We will find every Russian murderer," President Volodymyr Zelensky said after announcing the arrest. The Russian soldier allegedly shot nine Ukrainian POWs in Kursk Oblast in October 2024.

Ukrainian forces successfully attacked a drone warehouse belonging to Russia's 144th Motorized Rifle Division in Novokrasnianka, occupied Luhansk Oblast, Ukraine's General Staff reported.

"In the coming days we must remain extremely vigilant. Russia has prepared for a strike — a massive strike — and is waiting for the moment to carry it out," President Volodymyr Zelensky said on Jan. 19.

Bulgarian President Rumen Radev has staunchly opposed military aid to Kyiv, calling Ukraine's fight against Russia a "doomed cause."

"Our task is to build an anti-drone dome over Ukraine. A system that does not react after the fact, but destroys the threat even during its approach," Defense Minister Mykhailo Fedorov said.

The development is driven by a stronger ruble and low oil prices, according to the news agency.

Moscow is currently studying the proposal, Kremlin spokesperson Dmitry Peskov told reporters, according to state news agency TASS.

Chief of the Royal Danish Army Major General Peter Boysen will also deploy to the island alongside soldiers.

"NATO has been telling Denmark, for 20 years, that 'you have to get the Russian threat away from Greenland,'" Trump said, accusing Denmark of being unable to counter it.

Czechia will not sell its L-159 light combat aircraft to Ukraine, Prime Minister Andrej Babis said on Jan. 19, despite Czech President Petr Pavel advocating for the move.

Russia struck energy infrastructure overnight in “several regions,” cutting power in five oblasts as freezing temperatures add strain to Ukraine’s grid, Deputy Energy Minister Artem Nekrasov said.

According to Axios reporter Barak Ravid, the Russian official will meet Trump's envoys, Jared Kushner and Steve Witkoff, on Jan. 20 to discuss the Washington-backed peace plan for Ukraine.