Teenage Pakistani tennis player dies of heart attack

Teenage Pakistani tennis player, Zainab Ali Naqvi, died of a suspected heart attack after collapsing in the bathroom following a practice session ahead of her match. Zainab died while being taken to the hospital by her grandmother who sought help after the youngster fainted. Doctors suspect Zainab had Hypertrophic Cardiomyopathy - a disease in which the heart muscle becomes thick.