Giles Duley, photojournalist: ‘I promised my pictures could help Syrian war victims. At last, I’ve kept my word’

Giles Duley, photojournalist: ‘I promised my pictures could help Syrian war victims. At last, I’ve kept my word’

Giles Duley believes his work can create change. But when he returned to Lebanon two years after his first trip, he found the subjects of his portraits – now his friends – still in dire straits. This is what happened next