Zhao continued his dominance in the men's under-63kg category, becoming global champion for a second time.

He looked comfortable in his bout against Iran's Soroush Ahmadi, winning 27-7.

Compatriot Zhang Mengyu then recorded victory against defending champion Nur Tatar Askari to take China's second gold of the evening. 

Zhang defeated the Turkish athlete 18-9 in the women's under-67kg final. 

Azerbaijan's Milad Beigi Harchegani retained his under-80kg title, powering past Greece's Apostolos Telikostoglou 22-12.

Irem Yaman of Turkey claimed back the women's under-62kg gold she had earned in 2015 with a 21-7 win against Brazil's Caroline Santos. 

Vladislav Larin of Russa then upgraded the men's under-87kg silver medal he had achieved in 2017.

This time, he triumphed 19-9 against Brazil's Icaro Miguel Martins Soares to become world champion. 

Finally, Thailand's Phannapa Harnsujin and Cuba's Rafael Alba took their first world gold medals in their respective categories. 

Harnsujin beat Russia's Tatiana Kudashova 20-10, while Alba defeated Mexico's Carlos Sansores 9-5. 

With that, the action at the World Championships came to an end, with a short Closing Ceremony taking place to mark the occasion.

During this, the election results for the World Taekwondo Athletes' Committee were announced. 

Eleven candidates had been vying for the four seats on offer.

Two-time Olympic and world champion Wu Jingyu was elected. 

She had claimed silver in the women's under-49kg category in this year's competition.

Joining her will be Croatia's Nikita Glasnovic, Britain's Benjamin Haines and Stephen Lambdin of the United States.

The newly-elected members will serve a four-year term until 2023. 

In 2021, they will automatically become candidates for the Committee’s next chairpersons, who shall sit as ex-officio members of the World Taekwondo Council.