Key developments on Jan. 24-25: * 80% of Ukraine faces emergency power cuts following Russian aerial attack * 15% of Kyiv residential buildings remain without heat after Russia's attacks, officials say * At least 1 killed,

Ukraine-Russia war latest: ‘Brutal’ Kyiv attack cuts off power as Abu Dhabi peace talks end without breakthrough - Second day of landmark negotiations came as dozens injured and one killed in major Russian missile and drone attack,

President Volodymyr Zelensky of Ukraine said that rare three-way negotiations between Ukrainian, Russian and American teams in Abu Dhabi had been “constructive.”

Ukrainian President Volodymyr Zelenskyy is criticizing European allies for their slow and fragmented response to Russia's invasion.

Repeated Russian attacks on Kyiv’s energy infrastructure have left large parts of the city without heat, water or electricity during one of Ukraine’s coldest winters in years.

This is Kateryna Hodunova reporting from Kyiv on day 1,428 of Russia's full-scale invasion of Ukraine. Today's top story: Ukrainian law enforcement agencies have detained an officer from a military unit in Sumy Oblast on suspicion of abusing and torturing subordinates,