A missile attack by Ukraine left numerous Russian soldiers dead in Makiivka city, Donetsk Oblast. The eastern region is controlled and claimed by Russia.
Ukraine says the HIMARS missile attack killed 400 Russian soldiers.
Russia placed the number of fatalities at 63.
The exact number of those who died in the attack is unverifiable.
How did Russia lose so many soldiers at once?
Hundreds of Russian soldiers were reportedly accommodated in the temporary military quarters, originally a vocational school.
Some reports suggested that even ammunition was stored in the basement of the building.
The midnight attack struck the building while soldiers celebrated the new year at 12.01 AM, as per the Russian authorities. They said they shot down two of the six missiles.
Meanwhile, Ukraine said it shot down 39 Shahed drones and a Kh-59 cruise missile launched by Russia.