At least 4 killed, approximately 30 injured in school shooting at Apalachee High School in Georgia

Winder, Georgia (CNN) — At least four people are believed to have been killed and approximately 30 more injured in a shooting at Apalachee High School in Winder, Georgia, according to law enforcement sources in the state.It’s unclear how many of the injuries are from gunshot wounds. The information is preliminary and is subject to change.A suspect is in custody who is of student age, but it’s unclear whether they attend the school, according to the sources.All schools in the Barrow County School System were placed on lockdown and police were sent out of an abundance of caution to all district high schools, according to the sources, but there are no reports of secondary incidents or scenes.Some of the critically injured were removed by helicopter, and additional helicopters are on standby.At least five ambulances and a large active law enforcement presence were at the campus, according to video from outside the school. A least one medical helicopter could be seen airlifting a patient from the scene. Footage at the scene also showed people gathering on a football field near the school as students appeared to pray.Barrow County Sheriff Jud Smith, in a brief news conference at the scene, would not...