Najmanje šest ljudi je ranjeno u Harkovu, drugom najvećem gradu u Ukrajini, a nekoliko gradova ostalo je bez struje, kažu ukrajinski zvaničnici.
The main conceptual idea from the provided BBC News article titles is that Russia launched a significant attack on Ukraine on Christmas morning, which Ukrainian President Zelenskyy condemned as barbaric and inhumane. The repeated phrase "Veliki ruski napad na Ukrajinu na božićno jutro, Zelenski kaže: ‘Ovo je neljudski’" translates to "Russia's major attack on Ukraine on Christmas morning, Zelensky says: 'This is inhumane'", highlighting the focus on the timing of the attack and its cruelty.
