Ukraine's military kills Russian colonel.

"The strike on the maternity hospital is yet another proof of a war waged against life," Governor Ivan Fedorov said.

Ukraine, the U.S., and Russia are set to meet in Abu Dhabi on Feb. 4-5 for a new round of talks as part of ongoing efforts to negotiate a peace deal, President Volodymyr Zelensky said on Feb. 1.

Defense Minister Mykhailo Fedorov said Ukraine continues to work "very closely" with U.S. tech billionaire Elon Musk's team on the next "important steps."

Ukrainian forces downed 76 out of the 90 drones, including Shahed-type attack drones, launched by Russia overnight, the Air Force reported. Fourteen drones struck nine different locations, according to the statement.

The number includes 1,090 casualties that Russian forces suffered over the past day.

Energy Minister Denys Shmyhal reported "a cascade shutdown" in Ukraine's power grid in the morning on Jan. 31.

Since the media outlets' last update in mid-January, the names of 4,536 Russian soldiers have been added to the list of casualties.

Polish authorities temporarily closed the airspace along the northern part of Poland's border with Belarus overnight on Jan. 30-31 after unidentified objects — believed to be Belarusian smuggling balloons — were detected in the region.

Russian Envoy Kirill Dmitriev held "productive and constructive meetings" with U.S. officials in Miami, U.S. Special Envoy Steve Witkoff said on Jan. 31.

Russian State Duma Chairman Vyacheslav Volodin's threat comes a few days after Ukrainian, Russian, and U.S. officials held the latest round of peace talks in Abu Dhabi on Jan. 23-24.

The Air Force said on Jan. 31 that Russia launched 85 drones against Ukraine overnight, of which 55 were Shahed-type drones. It said that it had downed 64 drones in the north, south, and east of the country.

Ukraine says it is working with SpaceX to stop Russian drones from using Starlink, after reports that satellite-connected UAVs are extending their range to strike deeper into Ukrainian territory.

The number includes 880 casualties that Russian forces suffered over the past day.