Speaking to Davos via video, Ukrainian president reiterates intention to reclaim Crimea, which was annexed by Russia in 2014: 'Give us your weapons and we will bring our land back'

Zelensky aide says 2 killed, 3 hurt in southern village as latest barrage damages energy and water infrastructure; Putin drives across Crimea bridge that was bombed in October

White House says it has evidence of Revolutionary Guard officers sent by Tehran tasked with providing technical support for Moscow's Shahed drone fleet

Moscow pummeled key Ukrainian cities on Monday in response to Kerch Bridge explosion; senior Russian lawmaker: 'It is time for fighting! Fiercely, even cruelly'

Kremlin Investigative Committee head tells Russian president that bombing of critical span was carried out by Ukrainian secret services with help from Russian citizens and others

General Sergey Surovikin has until now led southern forces in occupied territory

Ukrainian post office announces it's preparing to print stamps showing the 'Crimean bridge -- or more precisely, what remains of it'

Moscow says blast set ablaze 7 oil tankers transported by train, collapsing 2 car lanes of vital link for transporting military equipment to Russian troops in Ukraine

Russian news agencies say train oil tanker caught fire; bridge built on Putin's orders is symbol of illegal occupation of peninsula; serves as key supply route for Russian troops

Russian president wished 'success' and 'good health' to new British monarch, who had previously compared Putin to Nazi leader following 2014 Crimea annexation