The tragic deaths by suicide of three Ghaziabad sisters, the oldest of whom was just 16, has put the focus on an online, task/challenge-based 'Korean love game' called 'We are not Indians', and brought back memories of the 'blue whale challenge'.

The tragic deaths by suicide of three Ghaziabad sisters, the oldest of whom was just 16, has put the focus on an online, task/challenge-based 'Korean love game' called 'We are not Indians', and brought back memories of the 'blue whale challenge'.