It is the seconds before Waleed Khan’s life changed for ever that haunts him the most, that wakes him up in a sweat at night, or out of nowhere suddenly triggers a terrifying flashback.
Then, in a moment, he’s back in his school hall, aged 12, seeing the faces and hearing the shouts of men who had burst in, intent on killing him and his pals in a massacre that shocked the world.
Pupils at the Army Public School in Peshawar, Pakistan, had gathered for a morning assembly on December 16, 2014, when six Taliban gunmen broke down doors and opened fire, killing more than 150 people, including 132 kids.
