Gallery: Oscar Pistorius trial Day 7

11/03/2014. Murder accused Oscar Pistorius makes his way to the Pretoria High Court for the start of day 7 of his trial. Picture: Masi Losi

11/03/2014 Oscar Pistorius arrives for his seventh day at the Pretoria high court. Pistorius is accused of killing his model girlfriend Reeva Steenkamp at his home in Pretoria East. The athlete maintains that he shot her because he mistook her for an intruder. The prosecution insists it was premeditated murder Picture: Phill Magakoe

Oscar Pistorius's legal representative Adv Barry Roux arrives at the Pretoria high court. Pistorius is accused of killing his model girlfriend Reeva Steenkamp at his home in Pretoria East. The athlete maintains that he shot her because he mistook her for an intruder. The prosecution insists it was premeditated murder Picture: Phill Magakoe

11/03/2014. Paralympic athlete Oscar Pistorius arrives at the Pretoria High Court on the seventh day of his murder trial. Picture: Oupa Mokoena

Olympic and Paralympic track star Oscar Pistorius sits in the dock at the North Gauteng High Court in Pretoria. Photo: Kim Ludbrook/Reuters

Oscar Pistorius is seen at the North Gauteng High Court on Tuesday, March 11 2014 during his murder trial. Pistorius is accused of the murder of model and law graduate Reeva Steenkamp on February 14 last year. She was shot in the arm, hip and head. He is also charged with illegal possession of a firearm and ammunition, and two counts of discharging a firearm in public. Picture: Kevin Sutherland/Times Media Group/Pool

South African Paralympic athlete Oscar Pistorius is pictured in the dock during his ongoing murder trial, Pretoria, South Africa, Tuesday, 11 March 2014. Pistorius stands trial for the premeditated murder of his model girlfriend Reeva Steenkamp in February 2013. Picture: Kim Ludbrook/EPA/Pool