The Duke and Duchess of Cambridge say their children, Prince George and Princess Charlotte, have been "asking all about" the Ukraine crisis. The royals were on a visit to the Ukrainian Cultural Centre in London.
"Ours [children] have been coming home asking all about it," the Duke explained. "They are obviously talking about it with their friends at school."
He also added he had to: "Choose my words carefully to explain what is going on."
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