At least four people have been killed in a shooting at a school in the US state of Georgia, local investigators said on Wednesday. Two students and two teachers were killed in the shooting at Apalachee High School in the town of Winder, Chris Hosey, director of the Georgia Bureau of Investigation said at a press conference. Nine people were injured and had been brought to hospital, he said. One suspect, a 14-year-old student of the school, had been arrested, Hosey said. “What is more important for me to mention here to you is my heartfelt sympathy to the parents, the students that were here,” …