South Africa's Oscar Pistorius, the "Blade Runner" who has has artificial legs below the knees but overcame that challenge to become a world class runner, will not be in the finals of the men's 400-meters.
The results of Heat 2 in the semifinals were posted at 3:55 p.m. ET. Pistorius finished last out of eight competitors, nearly two seconds behind winner James Kirani of Grenada.
"Here is perhaps the least surprising outcome of the Games: the awesome Williams sisters have secured the women's doubles for the United States, disposing of the Czech pair Hlavackova and Hradecka 6-4, 6-4. And Serena crowns a dominant display with a delightful twirl of celebration after plundering the gold medal point."
On the same day cyclist Bradley Wiggins became Great Britain's most-decorated Olympian, Daniel Harris, a 28-year-old cycling enthusiast, was killed when he was struck by a bus at an intersection outside Olympic Park.