By Eduardo Baptista and Alessandro Diviggiano BEIJING (Reuters) -Twenty-one humanoid robots joined thousands of runners at the Yizhuang half-marathon in Beijing on Saturday, the first time these machines have raced alongside humans over a 21-km (13-mile) course.

More than 20 robots raced against thousands of human runners in a half-marathon in Beijing organized to showcase China’s advances in humanoid technology. Find out who won.

Some of China’s best humanoid robots took on the challenge of racing against human marathon runners on Saturday. One fell at the starting line. Another’s head fell off and rolled on the ground. And one collapsed and broke into pieces.

Ukraine imposed sanctions on three Chinese companies on Friday claiming they were involved in production of advanced Iskander missiles, a day after President Volodymyr Zelenskiy alleged that China had been supplying weapons to Russia.

China on Friday rejected accusations levelled by Ukrainian President Volodymyr Zelensky who claimed that Beijing has provided weapons to Russia. China rejects false accusations and political manipulation,

The President of Ukraine, Volodymyr Zelensky, announced that Ukraine has obtained evidence of arms shipments from China to Russia. This marks the first time Kyiv has publicly confirmed Beijing's direct involvement in supporting Russian military actions,