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

A choir group of children were performing at a church when eight of them began experiencing "seizure like symptoms," officials said.

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 ...