"Under siege": Pakistan's Hazara minority lives in fear and defiance

Hazaras are easily distinguishable in Pakistan by their facial features. That has made them vulnerable to attacks by banned groups including the militant Islamic State (photo: Reuters/A. Soomro)

High walls around the neighbourhoods of Pakistan’s embattled Hazara community in the southwestern city of Quetta are designed to protect them from extremist militants, but also serve as a constant reminder of the threat they face.