text: A New York City mother has fled to Germany with her daughter during a custody battle, police claim. Ulrike Berger, 44, is barred by a court order from leaving the country with seven-year-old Kaia. But on March 22, a day after the little girl was dropped off for a weekend visit, they are believed to have boarded a plane to Europe. Manhunt: Police are searching for Ulrike Berger, 44, (left) and her seven-year-old daughter Kaia (right). It is believed the pair boarded a plane from New York to Germany on March 22, violating a custody court order . Police say the pair were last seen at Berger's home in Boerun Hill, Brooklyn, at 10am on March 21, when Kaia's father dropped her off. The estranged couple had scheduled a date for Kaia to be returned, the New York Post reported. According to the paper, Berger, a German national, also uses the first name 'Julie'. Anyone with information about the case should call the NYPD Crime Stoppers Hotline: 800-577-TIPS.
target: Ulrike Berger, 44, 'flew to Germany with daughter Kaia on March 22'
  The seven-year-old had been dropped off by her father the day before .
  Custody court order prevents Berger, a German national, from leaving the country with Kaia .