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

City suffers fresh bombardment, killing at least 12; traffic renews on part of Kerch Bridge as partial collapse expected to harm, but not cripple, Russian supply lines

Site now relying on emergency power; Though reactors shut down, they still require electricity for cooling and other safety functions

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

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

President says he knows Putin and Russian president not messing around when he talks about using weapons of mass destruction, but White House maintains nuclear posture unchanged

Head of operating company says power from reactors at Zaporizhzhia Nuclear Power Plant is needed to protect essential safety equipment from cold damage during winter

Ukrainian military collects bodies of their comrades after fierce battles for control of city, but troops don't immediately remove those of the Russians

Ramzan Kadyrov calls for 'more drastic measures' by Moscow as Russians suffer recent defeats

Ukraine begins to recapture Lyman in Donetsk, which Putin declared as part of Russia on Friday