Cape Town - Blade runner Oscar Pistorius will carry South Africa's flag at the closing ceremony of the London Olympic Games on Sunday night. Pistorius confirmed the news via his Twitter account on Sunday."Really feel honoured to be chosen to carry the SA flag in the closing ceremony tonight! What a great ending to the games it'll be! :)," he wrote.Pistorius, 25, became the first double leg amputee to participate in the Olympics when he entered the men's 400m race and was part of South Africa's 4x400m relay team.He reached the semi-finals in the 400m race, while the relay team made it to the final.South Africa finished the Games with six medals (3 bronze, two silver and one bronze).Following Sunday's ceremony, Pistorius will return to the Olympic Stadium at the end of this month for the Paralympics, where he is the defending champion in the 100, 200 and 400m in his class.