Ukraine war: Mourning in Dnipro, British tanks 'will burn', Kyiv infrastructure could 'collapse'

Russian bombing is putting the Ukrainian capital's utilities under critical strain, said Kyiv Mayor Vitali Klitschko on Monday. 

Speaking at the World Economic Forum in Davos, he said Russia's sporadic missile attacks along with freezing winter temperatures put local authorities under increasing strain.

Klitschko and his brother Wladimir told reporters that Ukraine's Western allies had to speed up deliveries of air defence systems capable of downing Russian missiles.

Kyiv has accused Moscow of indiscriminately targeting civilians as well as key infrastructure, threatening the winter supply of electricity, running water and central heating.

"We don't talk about the collapse, but it can happen... at any second (since) Russian rockets can destroy our critical infrastructure in Kyiv," Vitali said, adding that there was currently a 30% deficit in energy in the capital.

"It's pretty cold in Ukraine right now so living without electricity and heating is almost impossible. The situation is critical. We are fighting to survive," he added. 

Germany's foreign minister on Monday backed the creation of a special tribunal to prosecute Russian leaders over the invasion of Ukraine. 

During a speech at The Hague in the Netherlands, Annalena Baerbock called for a new type of court to "bring Russian leaders to justice". 

She suggested using Ukrainian law to try senior members of the Russian government, but at a court based outside Ukraine with international judges.

The International Criminal Court (ICC) is currently investigating alleged war crimes and crimes against humanity committed in Ukraine, which its prosecutor described as a "crime scene". 

However, the ICC does not have jurisdiction over Russia's "crimes of aggression" because Moscow is