COP26 takes place in Glasgow from 31 October to 12 November. Leaders from around the world will meet to discuss how to minimise global temperature rises caused by human activity. President Xi's attendance at COP26 has long been in doubt. It is thought he has not left China since early 2020. Government sources said Chinese officials had not been definitive about the President's travel plans and they accepted it was possible Xi could change his mind and come at the last minute to surprise the summit.
"They want to be seen as green leaders so I wouldn't rule it out," one Whitehall source said.