India, Feb. 4 -- The deaths of three minor sisters in Ghaziabad have drawn national attention to a Korean online "love game" that police say strongly influenced their thoughts and behaviour, according to officials investigating the case.

Police earlier told HT.com that the sisters, aged 16, 14 and 12, were "highly addicted" to an online, task-based Korean game and had begun believing they were "Korean princesses" rather than Indians, a fantasy identity reflected in diary notes recovered from their home.

According to police accounts, the girls locked themselves inside a puja room after midnight, used a chair to reach a window and jumped one after another from the ninth floor of their apartment building in Ghaziabad's Sahibabad area, dyin...