Hospital doctors say incestuous abuser Josef Fritzl's granddaughter's condition has improved slightly, while police tasked with investigating the case say they are certain he planned the establishment of a basement prison for his daughter well in advance of her 24 years of captivity there. Doctors and police on Monday (May 5) briefed reporters about further developments in the case of Josef Fritzl, who held his daughter captive in the basement of his house in the Austrian town of Amstetten for 24 years and fathered seven children with her. The case came to light just over a week ago, when the eldest child of the incestuous relationship, a 19-year old daughter, became seriously ill and was taken to hospital, where doctors appealed for her mother to come forward to give details of her medical history. The young woman remains in an artificial coma and needs artificial respiration, said her doctor Albert Reiter on Monday. "Even if the acute risk of death as it existed on April 19 is...