Russia dispatched explosive drones to selected regions overnight before broadening the barrage with air and sea-based missiles, the Ukrainian air force said.Sarajevo’s agony echoes as Ukraine braces for a dark winter Putin oversees commissioning of new Russian navy warships Fallen colossus: USSR's terror, triumphs began 100 years ago Chechens in Bosnia seek to dodge Russian draft, reach EU In the southeastern Kyiv district of Bortnychi, an explosion flattened at least one house and broke the doors, roofs and windows of several others nearby.The Ukrainian military has reported success in shooting down incoming Russian missiles and explosive drones in earlier attacks but many cities have gone without heat, internet and electricity for hours or days at a time.Belarus’ foreign ministry summoned the Ukrainian ambassador to express “strong protest,” it said, demanding that Ukraine “conduct a thorough investigation” and “hold those responsible to account.” In response, Ukraine’s Defense Ministry said that Kyiv was “ready to conduct an objective investigation” of the incident and to invite “authoritative experts” from abroad to participate in it, with a caveat that these experts should come from countries that do not support Russia.Commenting on the summit proposal Thursday, Russian Foreign Ministry spokeswoman Maria Zakharova dismissed it as “delirious” and “hollow,” describing the proposal as a “publicity stunt by Washington that tries to cast the Kyiv regime as a peacemaker.” Russian officials have said that any peace plan can only proceed from Kyiv’s recognition of Russia’s sovereignty over the regions it illegally annexed from Ukraine in September."