China dominate relays at Asian Games
China's men set a Games record of 37.99secs to emerge victorious in the 4x100metre event.
That victory was replicated by the women's team, who also triumphed in a Games-record mark of 42.83secs.
Further success for China came in the men's triple jump as Cao Shuo beat compatriot Dong Bin to the gold, while Zhao Qinggang set an area record of 89.15m to win the men's javlelin.
It was also a strong day for Bahrain at the Incheon Asiad Main Stadium, which began when Kenyan-born Eunice Jepkirui Kirwa took gold in the women's marathon and continued with a one-two in the 5000m for her countrywomen Maryam Yusuf Isa Jamal and Mimi Belete Gebregeiorges and victory for Elhassan Elabbassi in the men's 10,000m.
The 4x400m relays saw Japan claim the title in the men's event and India emerge triumphant in the women's.
Uzbekistan's Svetlana Radzivil defended her crown in the high jump, while Saudi Arabia's Sultan Abdulmajeed Al-Hebshi won a third straight men's shot put title.
More celebrations for China came in the diving, with Cao Yuan and He Chao claiming a one-two in the men's 3m springboard and Si Yajie and Huang Xiaohui doing likewise in the women's 10m platform.
There was drama in the men's hockey as defending champions Pakistan were beaten 4-2 on penalties by arch rivals India, who triumphed after the game had finished 1-1 to seal qualification for the Olympic Games in Rio de Janeiro in 2016.
South Korea added extensively to their medal tally with a host of golds, the most noteworthy coming in the men's football as a 120th-minute goal from defender Rim Chang-woo secured a 1-0 win over neighbours North Korea.
Further golds for South Korea came in bowling, Park Jong-woo winning the men's masters and Lee Na-young sealing success in the women's event.
The women's basketball team got revenge on China in the gold medal game by triumphing 70-64, the same scoreline by which they lost four years ago.
South Korean success continued courtesy of Son Yeon-jae's win in the individual all-around final of the rhythmic gymnastics, victories in the men's and women's doubles in soft tennis and in the women's volleyball and modern pentathlon team event.
In the Ganghwa Dolmens Gymnasium Lee Dae-hoon won the men's 63 kilogram event in taekwondo, while Lee Da-bin was victorious in the women's 62kg discipline.
China's Guo Yunfei prevented a third taekwondo gold on the day for South Korea by beating Lee Won-jin in the women's 67kg final, and Iran's Behnam Asbaghikhanghah prevailed in the men's 68kg.
Japan sealed gold in the men's rugby by overcoming Hong Kong 24-12, but their women could not replicate the feat, losing 14-12 to China.
There was more joy for Japan in the softball with a 6-0 success versus Chinese Taipei in the gold medal contest, and rare South Korean disappointment came as they were left to settle for silver in the men's handball showpiece, losing 24-21 to Qatar.
Chen Qian of China beat the South Korean duo of Yang Soo-jin and Choi Min-ji to gold in the women's individual modern pentathlon.
At the Hanam Misari Canoe/Kayak Center Kazuya Adachi took glory in the men's kayak obstacle slalom and fellow Japanese Takuya Haneda won the canoe obstacle slalom.
Li Tong and Cen Nanqin of China were triumphant in the same events for the women.
In Karate there were golds for Lim Chee Wei of Malaysia, Japan's Hiroto Shinohara and Kiyou Shimizu and Iranians Saeid Hassanipour Sefatazgomi and Hamideh Abbasali.
Elsewhere, Hong Kong reached the final of the cricket by stunning Afghanistan with a super-over victory, setting up a meeting with Sri Lanka, who beat Bangladesh on a coin toss after their encounter was rained off.