How Pakistan positioned itself as a peace broker

A weekly programme from the BBC World Service, bringing forensic journalism from all corners of the world by BBC Eye, the World Service's critically acclaimed investigative unit, and featuring expert global correspondents getting to the heart of the biggest international stories. This week, Farhat Javed looks at how Pakistan has positioned itself as a peace broker in the conflict between the US and Iran and BBC Eye investigates how routine visits for medical treatment in rural Pakistan have led to hundreds of children becoming infected with HIV, uncovering evidence of medical negligence and a failing public health system.