Prince Harry first saw the Halo trust's landmine clearance in Mozambique three years ago and has witnessed the suffering they cause to soldiers and civilians while with the military in Afghanistan.
Some 16 years after his mother's visit to Angola did so much to raise awareness of the problem, mines are still being laid daily.
As ITV News Correspondent Richard Pallot reports, the prince's private visit makes the cause very public once again.
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The victim, who has not been named, was taken to Norfolk and Norwich University Hospital where he later died.
Mr Friedland, a former journalist who had worked at Netflix for seven years, said he felt ‘awful about the distress this lapse caused’.