About a dozen people — including seven students — have been sent to area hospitals after a school bus crash. Police, firefighters and seven ambulances were dispatched to the scene, 52 Prospect Street, shortly before 8:50 a.m., according to an ambulance company spokesman. The injuries are not believed to be serious. The crash was declared a "mass casualty incident," with all students on the bus being transported to hospitals, said David Skoczulek of Aetna Ambulance Service, Inc.As of 9:15 a.m., 11 patients had been transported to area hospitals. Seven were sent to the Connecticut Children’s Medical Center, Skoczulek said, two went to Middlesex Hospital, one went to Hartford Hospital and one went to St. Francis Hospital and Medical Center.

The students were not injured, Lt. Andrew Power said. They were transported to the hospital to be reunited with parents, which is protocol for such incidents, he said. He said the students were 7 and 8 years old.

Tim Howes, assistant superintendent of schools, said the studjents were younger, in kindergarten and pre-kindergarten.

The driver of the Wrangler was among the injured, Power said.