Abdul Sattar Edhi, Pakistan's living saint...

In the course of my duties as a reporter, I have met presidents, prime ministers and reigning monarchs.

Until meeting the Pakistani social worker Abdul Sattar Edhi, I had never met a saint. Within a few moments of shaking hands, I knew I was in the presence of moral and spiritual greatness.

Mr Edhi's life story is awesome, as I learnt when I spent two weeks working at one of his ambulance centres in Karachi.

The 82-year-old lives in the austerity that has been his hallmark all his life. He wears blue overalls and sports a Jinnah cap, so named because it was the head gear of Muhammad Ali Jinnah, the founder of Pakistan. More...

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