Vitalii Hnidyi/ReutersA 10-year-old boy and his grandmother were killed in a Russian strike in Ukraine on Friday, local officials said. The bombing came the morning after one of the deadliest attacks on civilians since the war began.Friday’s missile strike in Kharkiv, the second biggest city in Ukraine, hit a residential building and left more than 20 people injured, according to Oleh Synehubov, the head of the Kharkiv Regional State Administration. Oleh Bychko, the father of the boy killed in t