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Uganda has developed in leaps and bounds in recent years, but with modernisation has come a disturbing increase in human sacrifice.

The authorities set up an anti-human sacrifice task force in 2009, to try to combat the rise in the number of ritual child killings being performed by witch doctors.

Newsnight's Tim Whewell travelled to Uganda, where he met a former witch doctor now working to convert other witch doctors from their practices.

His report contains accounts that viewers may find disturbing.

Broadcast on Thursday 7 January 2010