Multiple people stabbed at high school near Pittsburgh

Multiple people were stabbed this morning at Franklin Regional High School in Murraysville, Penn,. near Pittsburgh. The school is on lockdown and police have a suspect in custody, reports KDKA.

Three medical helicopters and dozens of ambulances rushed to the school around 7 a.m. after hearing reports of "multiple stabbings." Eight people were taken to local hospitals and at least one of the victims was airlifted. Reports are still hazy, and it is so far unclear exactly how many were injured and whether all the injured were students or included some staff members. Witnesses say the stabbings occurred in the science wing of the school. In light of the incident, school has been canceled for the day.

Update: Twenty students were injured, four of whom were seriously hurt, according to public safety officials. --Jordan Valinsky