(Yicai Global) June 3 -- China will temporarily stop organizing mountain cross-country, Gobi desert crossings, and other new high-risk sports events to review their security standards after a high-altitude ultramarathon in Gansu province caused 21 deaths last month.

Sporting authorities will improve the management and regulation of agencies who organize races of wingsuit flying and ultramarathon, the General Administration of Sport of China wrote in a notice on its website yesterday.

On May 22, 21 contestants died and eight got injured during a 100-kilometer ultramarathon held in northwestern China's Baiyin amid extremely cold weather. The event was organized by the municipal government.. Gansu province has set up a team to investigate the cause of the incident. 

Editor: Emmi Laine, Xiao Yi