Five students from Hamden High School were transported to the hospital after eating 'marijuana cookies,' police said, and they have arrested a 15-year-old girl.
The five students appeared to be under the influence of drugs and were sent to the school nurse, according to police
Then they were brought to Yale-New Haven Hospital as a precaution, according to school officials.
Officers investigated and said they learned a 15-year-old girl had brought the cookies to school and the students ate them before becoming ill.
The teen has been charged with five counts of risk of injury to a minor and is scheduled to appear in juvenile court in New Haven.
Monday was the first day back to school since last Tuesday when strong storms caused extensive damage.
Police are still investigating.