Officials said the incidents occurred at St. Paul's Parish in Harvard Square, where the Chœur d'Enfants d'Île-de-France was performing.

Eight children at a church near Harvard University where a French youth choir was holding a concert suffered seizure-like ...

Eight members of children’s youth choir suffer ‘seizure-like symptoms’ during performance at Boston church - The youth chorus ...

Seizure symptoms can include confusion, jerking movements of extremities, losing consciousness or sharp changes in emotions or thinking, according to the Mayo Clinic. They’re caused by a disruption ...