An expert tells the BBC the attack in Kahramanmaras was a tragedy but "not a surprise".

A teenager opened fire Wednesday at a school in Kahramanmaras, Turkey, the day after another school shooting.

Eight students and one teacher were killed and 13 others injured in a shooting at a high school in southern Turkey, the second in Turkey in two days.

An expert tells the BBC the attack in Kahramanmaras was a tragedy but "not a surprise".