The Beijing 2022 Winter Olympics are being held in a "closed-loop" system, where participants and visitors are separated from the public because of Covid-19. It's the perfect environment to push the limits of modern technology and Beijing is showcasing a whole host of innovations, from 5G to robots and from 8K broadcasting to its digital currency, the e-CNY. Peter O'Brien takes us through some of the breakthroughs and controversies surrounding tech at the Games.

The tennis star is prepared to miss the French Open, Wimbledon and any tournament if they require jabs. He told the BBC that he is not against vaccines but wants "the freedom to choose what you put into your body."

He is the most famous Chinese dissident and one of the best-known contemporary artists in the world. Ai Weiwei was harassed by the Chinese authorities, who bulldozed his Shanghai studio, sent him to jail without charge and drove him out of his country. After the February 2 publication of the French translation of his memoir, "1000 Years of Joys and Sorrows", the artist sat with Eve Jackson to talk about the moment in a Chinese prison when he decided to write his life’s story for his son and what he learned growing up in a labour camp with his persecuted father, the poet Ai Qing.

Jamaica has a four-man bobsled team in the Olympics for the first time since 1998. Too young to witness the famous 1988 team but big fans of "Cool Runnings," this year's team wants to add to Jamaica's bobsled legacy.

Olympics boss disturbed by Valieva's meltdown, rips her entourage. Thomas Bach slammed Russian teen Kamila Valieva's entourage for their "tremendous coldness" after her troubled final performance. The IOC is looking into the rules on minors competing.

Buckingham Palace has announced that Queen Elizabeth has tested positive for COVID-19

Experts say China has used the Olympics to reinforce political ties and influence its global and domestic reputation. Beijing says it is the boycott that has politicized the games.

Experts say that Tokyo's imposition of sanctions on Russia is almost certainly the final nail in the coffin of Japan's ambition to resume control of the disputed Kuril Islands.

Senior Chinese officials asked their Russian counterparts not to invade Ukraine during the Olympics. Western intelligence picked up reports of the communications.

More than 6 million people around the world have died from COVID-related causes, according to the US Johns Hopkins University. Meanwhile, Hong Kong is struggling with a surge in cases.

Japanese Prime Minister Fumio Kishida pushed for India to take a tougher line or Russia while meeting Narendra Modi in New Delhi. India has not directly condemned Russia's invasion of Ukraine.

The omicron variant is driving case numbers in parts of China to levels not seen since coronavirus first emerged. But keeping case numbers at near zero means continued disruptions and lockdowns.