Teen stabbed teacher dead, wounded five others, at Brazilian school

This is the harrowing moment a 13-year-old stabbed a teacher who then died of a heart attack and wounded three others at a school in the southeastern Brazilian state of São Paulo.

The student, whose name has not been released by authorities, entered his classroom Monday morning at the Thomazia Montoro State School and approached Elizabete Tenreiro, 71, before he pushed her and stabbed her while she was taking attendance.

A classmate could be seen stepping forward to stop the attack when the teenager, who was wearing a skull mask, then plunged the knife into him.

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