After the couple had gone to bed, he said he got up in the early hours of February 14 to close the balcony door in his bedroom when he heard a sound in the bathroom.

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Pistorius said in his statement Tuesday that he believes Steenkamp went into the bathroom when he got up to close the balcony door in his bedroom in the early hours of February 14.

CNN: STORY HIGHLIGHTS

Earlier he described how the couple got engaged in 2011 after meeting on Facebook but their relationship deteriorated and they split up early in 2012.

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