Jonathan Romain treasures a picture of his mother as a child growing up in Germany.What happened to his mother, Gabriele Hertzberg, is part of the reason he's decided to offer the two spare rooms at his home in Maidenhead, Berkshire, to a Ukrainian family.Ukraine war: US warns Moscow NATO will respond with 'full force' if it attacks its territory - follow live updates"My mother came over from Nazi Germany as an 11-year-old child. She got over here just in time in 1939 and she was a refugee," he said."She came alone to a strange country, a language she'd never spoken...