RUSSIAN forces killed at least eight innocent civilians in an evil blitz on a Ukrainian shopping centre last night as Putin's butchers continued their merciless invasion.

       The enormous explosion annihilated the Retroville mall in the northwest of the capital Kyiv and was so powerful it pulverised vehicles in its car park.

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       The Retroville mall was devastated by the rocket attack which killed eight civilians Credit: AP 8

       The explosion wiped out the shopping centre in a night raid on Sunday Credit: Reuters 8

       The enormous explosion was caught on nearby CCTV Credit: Getty

       Chilling video captured by a nearby CCTV camera shows the moment a rocket hits the building sending a fireball hundreds of feet into the air.

       The blast launches debris everywhere while nearby buildings are rocked by the gigantic boom - blowing out their windows.

       Photos of the aftermath in the Podilskyi district of Kyiv show how the attack left the mall a smouldering wreck and utterly devastated.

       A vast crater was left behind as rescuers scrambled to pull bloodied victims strewn amongst the rubble.

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       Police said at least eight people had been killed amid fears dozens of others were missing in the carnage.

       On Monday, Mayor Vitali Klitschko said the attack was one of several bombs to be dropped on the city overnight.

       Others flattened homes, offices and a gym were also hit as the city braces for a 26th day of Russian onslaughts.

       After the mall attack the former heavyweight boxing champion declared the start of another 35-hour curfew - going from 8pm this evening until 7am on Wednesday.

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       The attack is just the latest example of merciless Russian troops shelling civilian areas.

       It comes as Russia are believed to have "slaughtered 115 kids" so far in their barbaric invasion which began on February 24.

       The Ukrainian prosecutor general's office added that 140 children had been wounded since the start of the war.

       In a statement on Monday, they said: “115 children died in the armed aggression by the Russian Federation on Ukraine

       “The number of injured children has increased to 148.”

       They suggested that the actual figures may be higher because of difficulties in confirming details in a war zone.

       The prosecutor’s office said the largest number of confirmed victims was 58 in Kyiv.

       The eastern city of Kharkiv has recorded 38 child deaths, while Donetsk has seen 29 child deaths and Chernihiv 31.

       DEFIANT

       Latest developments in the war torn country have also seen Ukraine boldly reject Russia's ultimatum to surrender the besieged city of Mariupol.

       Russia promised to create two humanitarian corridors if troops gave up the key city and soldiers stopped fighting.

       But Ukraine’s deputy prime minister declined the eleventh-hour demand, according to reports.

       Thousands are reported to have died in the port city following endless Russian missile strikes.

       Locals have been forced to bury the dead in mass graves and makeshift burials at the roadside.

       Meanwhile Mariupol Mayor Vadym Boychenko likened Russian President Vladimir Putin to Adolf Hitler after reports his invading troops were forcibly deporting Ukrainians to sinister Russian work camps.

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       He said Moscow's actions were like “the horrific events of World War Two, when the Nazis forcibly captured people”.

       Western intelligence estimates Russia is losing up to 1,000 troops per day - that would be its fastest rate of casualties since the Second World War.

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       At least eight civilians were killed in the attack - with more deaths feared Credit: AFP 8

       A rescue worker walks amongst the debris during a desperate search for survivors Credit: Reuters 8

       Vehicles were pulverised by the explosion which ripped the building to shreds Credit: Reuters 8

       Rescuers piled into to the smouldering wreck of the building Credit: Reuters