As Lera Nelyub walked with her grandfather Nikolai, she said it was difficult to find a topic to discuss with the 97-year-old World War II veteran about the ongoing Russian invasion. At Kyiv’s Tomb of the Unknown Soldier on Monday, she held on to him as he bent to lay a bouquet of flowers to honour the memory of his friends and comrades from the Soviet Army who died fighting the Nazis in World War II. “It is difficult for him to talk about it. At first when he was watching the news, he couldn’t believe what was happening,” said...