A year after Taliban gunmen stormed the Army Public School in Peshawar and killed more than 150 people the BBC's Shaimaa Khalil has returned to see how the survivors have coped. She spoke to Andaleeb Aftab, a teacher at the school, who's 16-year-old son, Huzaifa, was killed in the attack.

(Photo: Andaleeb Aftab)