Gesamtlänge aller Episoden: 78 days 20 hours 1 minute
Russian forces accused of taking hostages to protect themselves against attack
It comes amid outrage over allegations of war crimes in Ukraine
In a speech to the UN Security Council he called for Russia to be held to account
Shelling reported in cities including Kharkiv and in the regions of Luhansk and Donetsk
Volodymyr Zelensky visits Bucha, leaving Kyiv for the first time since the invasion began
Russia has dismissed proof of atrocities in Ukraine as Western propaganda
Ukraine's president says Russian forces are responsible for mass killings of civilians
Tens of thousands of civilians remain trapped in Mariupol
The southern Ukrainian city has been under Russian bombardment for several weeks