Pistorius was wearing a black baseball cap and sunglasses when he arrived this morning at the Garsfontein police station in the South African capital, Pretoria.
In a video clip published by South African media, a woman says, "Hi Oscar, how are you?" as Pistorius walks past a small group of journalists outside the station. Pistorius does not reply.
Pistorius is serving a five-year sentence for shooting to death girlfriend Reeva Steenkamp in 2013.
He was released from jail October 19 to serve the remaining four years of the sentence under house arrest.

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