China News Service, September 6. According to comprehensive British media reports, Boris Johnson met with Queen Elizabeth II in Balmoral, Scotland on September 6, local time.
The BBC said Johnson had tendered his resignation to the Queen and was no longer prime minister.
Buckingham Palace said the Queen accepted Johnson's resignation, Sky News said.
"The Guardian" said Truss, who is about to succeed Johnson as British Prime Minister, has not yet arrived in Balmoral.
Earlier in the day, Johnson delivered his final speech as Prime Minister at 10 Downing Street.
In the speech, Johnson listed his achievements as prime minister, including Brexit, the delivery of vaccines during the new crown epidemic, and the supply of weapons to Ukraine during the conflict between Russia and Ukraine. He also expressed dissatisfaction with being forced to leave No. 10 Downing Street.