Hundreds of thousands of civilians remained trapped and under fire in Ukrainian cities.

Moscow's military advances have sparked fears the capital Kyiv could soon be surrounded.

The strike in Mariupol took place 14 days after Russian forces entered Ukraine in defiance of the international community.

Kyiv has repeatedly warned Moscow is not genuinely looking to allow civilians to flee and accused Moscow of bombing one corridor.

Ukraine accused Russia of attacking an evacuation corridor out of Mariupol, where aid workers said tens of thousands were living in "apocalyptic" conditions...

Kyiv had rejected a previous proposal for evacuation corridors from the same four cities, as many of the routes led straight into Russia or its ally Belarus...

Russia claims its military has damaged more than 1,500 military facilities in Ukraine.

Ukraine's army said it held back an assault on the capital — but was fighting Russian "sabotage groups" that had infiltrated the city.

Ignoring warnings from the West, Putin unleashed a full-scale attack that the UN refugee agency said has forced almost 116,000 to flee.