According to Chris Sugden writing in Evangelicals Now August 2008 edition
Gafcon takes off…. [emphasis added]
…A preparatory Conference for 140 was held in Jordan from June 17. However on June 18 the Jordanian authorities announced that sufficient high level permission had not been granted for the conference to take place. the conference hall was shut and no meeting allowed. At the same time Archbishop Akinola, travelling on his diplomatic passport was denied entry. So on June 19, the 140 people relocated early to Jerusalem. the hotels concerned, in the chain, transferred the costs. A miracle…
This doesn’t seem to have been mentioned anywhere else before.