A huge explosion has rocked a shopping centre in Kyiv as rescuers pulled bloodied victims from the rubble as police said at least eight people had been killed amid fears dozens of others were missing. The blast smashed the sprawling ‘Retroville’ mall and was so powerful it pulverised vehicles in its car park – leaving a massive crater – as well as bodies scattered in the carnage.Mayor Vitali Klitschko this morning said it was one of several bombs to be dropped on the city overnight, with others flattening homes. Offices and a gym were also hit. Rescuers were continuing to trawl through the chaos this morning as they desperately searched for…