Chinese athletes gained a third of the nine gold medals on offer at the Bird's Nest Thursday as the host continued its domination in track and field.

Aldona Grigaliuniene of Lithuania on her way to silver in the women's shot put F37/38 event at the Bird's Nest yesterday. Mi Na of China won the gold. [Agencies]

Guo Wei claimed his second gold medal, winning the men's discus throw with a new world record. His compatriot Wang Wenbo took silver while bronze went to Reginald Benade of Namibia.

Chinese women throwers Qing Suping and Mi Na added two more gold in javelin F57/58 and shot put F37/38.

"I'm so excited I don't know what to say," said Qing after the victory. "I think this is my biggest moment. This is the first time I participated in an international competition and I got the gold."

Qing secured her win on the final attempt while silver went to Nakhumicha Zakayo of Kenya, and bronze to Jeny Velazco of Mexico.

In other events, Mourad Idoudi from Tunisia won the men's discus F32/51 with a new world record, and Joze Flere of Slovenia and Martin Zvolanek of the Czech Republic finished second and third, respectively.

"This is my first Paralympic Games. Two days ago, I got silver in men's shot put F32 and today I got the gold. I'm very happy," said Idoudi.

Americans Jeremy Campbell and Jeff Skiba finished first and second in men's pentathlon P44, with Urs Kolly of Switzerland taking third.

On the track, Henry Kiprono Kirwa won Kenya's second gold medal at the Games in the men's 5,000m T13. He secured his lead as early as in the second lap and finished the course with a new world record. Youssef Benibrahim of Morroco and Odair Santos of Brazil finished second and third.

In the women's 200m T52, Michelle Stilwell of Canada won gold with a new Paralympic record. Coming in second was Tomomi Yamaki of Japan, followed by Pia Schmid of Switzerland.

Hong Suk-man of South Korea claimed gold in the men's 400m T53, breaking the world record, while China's Li Huzhao took silver, and Richard Colman of Australia finished third.

Prawat Wahoram of Thailand secured gold in the men's 5,000 T54. Kurt Fearnley of Australia and David Weir of Britain came second and third.