Sudworth, who has won awards for his reporting on Xinjiang, left Beijing with his family, BBC said in a report on its website.
The broadcaster confirmed on Monday in a news story on its website that he had been freed but gave no further details.
The journalists were in Naypyitaw to cover legal proceedings against Win Htein, a detained senior official from the National League for Democracy, the party that ran the country before the takeover.
His popularity found him a well-funded campaign team who were attempting to win him a presidential pardon.
The Chinese Embassy in London posted a statement on its website Thursday saying it had written to the BBC expressing strong dissatisfaction and urging the broadcaster to abandon bias.
Humpy won the World Rapid Chess Championship in December 2019 after a two-year maternity break. She then won the Cairns Cup in 2020.
'Boycott BBC' trends on Twitter after radio show caller uses offensive remarks against PM Narendra Modi's mother
During a recent episode of BBC Asian Network's 'Big Debate' radio show, one of the callers used offensive remarks against PM Narendra Modi's mother.
The US president 'stunned even the most seasoned diplomats' by offering Kim a lift home on Air Force One after the 2019 summit in Vietnam.
South China Morning Post, said in a report that Hong Kong Public broadcaster's move to pull the plug on programming from Britain's BBC following a ban by Chinese regulators has sparked alarm.
China's move to ban BBC was largely symbolic, because BBC World was shown only on cable TV systems in hotels and apartment compounds for foreigners and some other businesses.
The move comes a week after the UK revoked the license of Chinese state-owned broadcaster China Global Television Network's (CGTN).
The organisers have introduced a new category this year -- 'Emerging Player of the Year' and the winner of which will be decided by the jury instead of voting.
The half-hour show, based on the book of the same name by author Julia Donaldson and illustrator Axel Scheffler, will also feature "Sex Education" star Patricia Allison and actor Rob Brydon.
The BBC responded with an apology and updated the online broadcast with the map of India reflecting the boundaries of Jammu and Kashmir in the standard format.
"Peaky Blinders" focused on Tommy Shelby (Murphy) and his notorious family's rise to prominence and power, against the backdrop of working-class, post-First World War Birmingham.