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Oscar Pistorius: 'I made a terrible mistake'

9 April 2014 Last updated at 10:32 BST

The South African state prosecutor has begun his cross-examination of the athlete Oscar Pistorius.

Responding to questions from Gerrie Nel, Mr Pistorius has said he "made a mistake" when he shot his girlfriend Reeva Steenkamp in his home.

The athlete denies deliberately shooting dead Ms Steenkamp on Valentine's Day last year, arguing he mistook her for an intruder.