Rattana dominated the men's T34 final in 48.65sec for his maiden World Championships gold at the Stade Sébastien Charléty.

Mohamed Alhammadi won the United Arab Emirates' first medal in the French capital with a 49.21 effort for silver, and Canada's Austin Smeenk placed third with an American continent record of 49.32.

Rattana's success was immediately followed by the back-to-back Paralympic champion in the men's T53 event Paeyo surpassing the 46.61 world record mark he set at Tokyo 2020 with a victory in 46.11.

Canadian Brent Lakatos also produced a fast time of 46.22 but had to settle for silver, and the United States' Brian Siemann completed the podium with a personal best 48.30.

World records were also set in the men's T47 high jump and women's T37 long jump.

Back-to-back Paralympic champion Roderick Townsend cleared 2.16 metres in the first of those events for gold, and China's Wen Xiaoyan triumphed in the latter for the third consecutive World Championships by adding 0.11m to the 5.22m she set in Dubai four years ago.

Six Championships record were broken by athletes who won gold on day three.

Shot putters Rashid Masjedi of Iran and Yannis Fischer of Germany produced an 8.49m in the men's F53 and 11.43m in the men's F40 respectively, and Britain's Sabrina Fortune defended her women's F20 title with 14.01m.

Zou Lijuan of China continued domination of the women's F34 javelin throw.

She added to her back-to-back Paralympic and three consecutive World Championships golds with a 20.74m throw in Paris.

The day concluded with two Championships records in women's 800 metres races for Swiss athletes.

Catherine Debrunner took T53 gold in 1min 38.89sec and eight-time Paralympic medallist Manuela Schär won the T54 final in 1:42.25, building on the 1:43.44 Championships record she had set in the heats earlier in the day.

Paralympic champion James Turner of Australia had won the only track gold of the morning session in 52.26 in the men's T36 400m.

Kiara Rodriguez of Ecuador took women's T47 100m gold in 12.17, Colombia's Darian Faisury Jiménez edged the women's T38 100m in 12.50, back-to-back Paralympic champion Zhou Xia triumphed in 28.77 in the women's T35 200m, and Brazil's Thalita Simplício defended her women's T11 400m title in 56.60.

The day's other golds were won by Ukraine's Oksana Zubkovska, who won her fourth consecutive women's T12 long jump title with a 5.78 metres effort, seven-time Paralympic gold medallist Yao Juan of China with 41.66m in the women's F64 discus throw and Latvia's Aigars Apinis, who won the men's F52 discus champion with 20.46m after a successful appeal against Ajitkumar Amrutlal Panchal of India.

It was claimed Panchal competed in the wrong classification.

The top four athletes in each Paralympic event at the World Championships earn qualifying places for Paris 2024.

The World Championships is set to continue tomorrow with 19 medal events.