Copenhagen, Dec 18 : Prime Minister Manmohan Singh was called back to the climate summit venue after he had reached the airport to board his flight back home, Indian officials said here Friday.

As the drafting of the Copenhagen Accord stalled yet again due to differences between rich and poor countries, Denmark's Prime Minister Lars Lokke Rasmussen made a special plea to Manmohan to return to the conference, according to an official.

As the bickering over the draft continued, many other world leaders were stuck, including US President Barack Obama.(IANS)