In February 1948 communists seized power in Czechoslovakia. After spending the winter of 1949 at home in Czechoslovakia, her father advised her not to come back from the upcoming World Championships and she agreed. She defected from Czechoslovakia during the 1950 World Championships in London and was eventually offered political asylum. Her mother followed her in March under dramatic circumstances – her plane was hijacked. Her father, a professional cello player, visited them several times, but decided not to leave his country permanently. He was held as a political prisoner for 13 years and forced to work in a coal mine. His daughter did not return to Prague until 1990, after the Velvet Revolution.