High-priority alert based on source significance and keyword relevance.
Context
What happened: Four former students entered a school in Jharkhand to steal money and then attacked the principal. Three juveniles were detained.
Key numbers: Detained juveniles are aged 13, 14, and 15 years. The age of the fourth accused is not yet known.
Why it matters: Police said the role and age of the fourth accused will be known after the arrest.