12-year-old girl dies after heart attack in school in UP

A 12-year old girl has died in Uttar Pradesh's Kushinagar after collapsing due to heart attack in the school. She collapsed at around 10 am while sitting in classroom, following which the classmates raised an alarm and informed her parents. While initially she was buried, her mortal remains were exhumed for postmortem which revealed heart attack as cause of death.