Teenager kills 4, injures 9 in mass shooting at US Georgia high school

Four people were killed and nine others wounded in a campus shooting at a high school in the US state of Georgia on Wednesday, local authorities said.

The four deceased are two students and two teachers at the Apalachee High School in Barrow County, Georgia, about 70km north of Atlanta, Georgia's biggest city.

The shooter has been identified as 14-year-old Colt Gray...