The Birds Nest saw several world records broken Wednesday.

In the womens 100m backstroke S8 class, Heather Frederiksen of Britain won the gold in 1:16.74 and rewrote the world record marks twice in one day.

Heather Frederiksen of Britain celebrates after winning the womens 100m backstroke S8 final during the 2008 Beijing Paralympic Games at the National Aquatics Center in Beijing on September 10, 2008. Heather Frederiksen won with a new world record of 1:16.74. [Agencies]

"My third throw was 63.07m and that was my best throw ever," Zhu said. "I performed much better than expected. I felt the gold was in my hands when I made it."

Zhu Pengkai (R) of China is escorted by his guide as he celebrates after winning the final of the mens javelin F11-12 classification event at the 2008 Beijing Paralympic Games in Beijing on September 10, 2008. [Agencies]

Canadian veteran Dean Bergeron finished his last Paralympic Games with a gold medal in the mens 200m T52. Beat Bosch from Swizerland and Peth Rungsri from Thailand finished, respectively, second and third.

Dean Bergeron of Canada celebrates winning gold in the final of the 200m T52 race during the 2008 Beijing Paralympic Games at the National Stadium in the Chinese capital on September 10, 2008. [Agencies]

Abraham Cheruiyot Tarbei from Kenya broke the mens 1,500m T46 record to win gold, while Abderrahman Ait Khamouch from Spain and Samir Nouioua from Algeria finished second and third.

In the field events, Darko Kralj from Croatia set a new world record in the mens shot put F42 and Arnaud Assoumani from France was crowned champion in the mens long jump F46, also with a new world record.

At the water cube, in the mens 4x100 freestyle relay 34pts, the British team grabbed gold in the first swimming relay event of the Games and broke the world record with a time of 3 minutes 51.43 seconds. The silver medal went to Australia and China was third.

British swimmers (from L to R) Matthew Walker, Graham Edmunds and David Roberts celebrate after winning the mens 4x100m freestyle 34PTS during the 2008 Beijing Paralympic Games at the National Aquatics Center in Beijing on September 10, 2008. The British team won with a new world record of 3:51.43. [Agencies]

The 12 gold medals on offer on the fourth day of competition were shared by nine countries, with Britain, the United States and Russia the leading forces, winning two golds apiece.The first gold of the day went to American cyclist Barbara Buchan in the womens individual pursuit, LC3-4/CP3 category.
Britains Sarah Storey claimed the womens individual pursuit title, LC1-2/CP4 category, with a new LC1 world record of 3:36.637. China was guaranteed a bronze medal by Dong Jingping.
Anthony Kappes and his pilot Barney Storey took Britains second gold of the day in the mens sprint, B&VI category.
In the last event of the day, a British team brimming with gold medals and world records overcame finalists China in the mens team sprint, LC1-4 CP3/4 category.
In weightlifting, three women set new records one after another at the Beijing University of Aeronautics and Astronautics gymnasium.
The show began with Lucy Ejike from Nigeria, who set two world records in a row in the womens 48kg category.
Coached by her husband, 35-year-old Mexican Amalia Perez ended her gold medal drought by winning the womens 52kg, setting a new Paralympic record with 128kg. Egypts two-time Paralympic champion Fatma Omar, in the womens 56kg category, broke her own Paralympic record with her second and third attempts with 135kg Wednesday, then went on to set a world record, also held by her, at 141.5kg.

This news is from www.chinadaily.com.cn