Russian air attacks on northeast Ukraine over the past 24 hours have killed at least four people and injured 11 others, according to Oleh Syniehubov, Kharkiv’s regional governor.Syniehubov said on Saturday that the attacks targeted the city of Kharkiv and 11 other towns and villages.Recommended Stories list of 3 itemsend of listAlso in northeastern Ukraine, at least 11 people, including a child, were injured after a Russian drone struck a building in the region of Sumy in an overnight attack.“Attack drones struck a 16-storey building and a private residential area [in the region of Sumy]. Residents of the burning high-rise were promptly evacuated … The fire has been extinguished,” the State Emergency Service of Ukraine’s press office said in a statement.“Law enforcement officers are documenting the aftermath of the shelling, recording the damage and gathering evidence of war crimes,” reported Russia’s Interfax news agency.The Ukrainian Air Force said that the defence forces had “shot down or neutralised” 260 of 286 Russian drones fired towards the “north, south, east and centre of the country” in overnight attacks.It added that 11 drones “were recorded striking 10 locations” with debris from the downed drones found at “six locations”.Meanwhile in Russia, at least one person was killed …