India, Feb. 4 -- A 16-year-old girl and her two half-sisters, aged 14 and 12, died after allegedly jumping from the ninth floor of a high-rise in Ghaziabad, police said on Wednesday, and added that they were "highly addicted" to an online Korean game and obsessed with gaming on their mobile phones.

Police said the three lived with their father, a forex trader, and their mothers. They added that the eldest was born to the trader's first wife, while the younger two were born to the second wife.

"Around 12.30am on Wednesday, all three were with their mothers. After some time, they went to the puja room and locked it from inside. Thereafter, they used a chair to jump out of the window one by one. They all died on the spot. The guards and lo...