KUALA LUMPUR, Oct. 16 -- The mother of the 16-year-old schoolgirl who was stabbed to death by her schoolmate at a secondary school in Bandar Utama, Petaling Jaya, has shared a heartbreaking tribute to her daughter on Facebook.

In her post, the grieving mother expressed that she was "truly at a loss for words" and that her "heart aches deeply" following the sudden and tragic loss.

"Such a beautiful child, yet encountered such a cruel thing.

"I am sure anyone who has read the news should know that my little daughter was tragically killed.

"She was a very sweet, kind and self-disciplined child. From a young age, she never gave us any trouble, was always thoughtful towards her parents and considerate of others, never asking us for anythin...