Three hospitalized in Arta after school is contaminated with chemicals

Three senior-high school teachers were hospitalized with respiratory complaints on Wednesday in Arta, western Greece, after unknown individuals poured a dangerous chemical into classrooms, local media reported.

Authorities evacuated the school, which will remain closed until a special crew clears the premises of the the chemical, which is believed to be a strong, creolin-based, industrial-grade cleaner.

Police are investigating the incident.