Nikita Chibrin, a deserter from a notorious Russian military unit, speaks exclusively to CNN's Fred Pleitgen to "shine light on the war he never wanted to be...

A top US officials tells CNN the Russian military is running low on troops and equipment needed to continue Vladimir Putin's war on Ukraine. CNN senior international correspondent Fred Pleitgen reports.

As Vladimir Putin steps up his renewed assault on Ukrainian civilians for a fourth straight day, Russia is turning to drone strikes to wage its brutal campaign. CNN senior international correspondent Fred Pleitgen reports from the war zone.