The alleged Christmas day terrorism plot has complicated plans by Barack Obama, US president, to shut the Guantánamo Bay prison camp.

Following reports that two former inmates who took refuge in Yemen were behind the botched plot, senators from his own party were among those calling for detainee transfers to be halted pending an investigation into the links between Guantánamo and the Arab nation.

“Guantánamo detainees should not be released to Yemen at this time,” said Dianne Feinstein, the senior Democrat on the Senate intelligence committee. “It is too unstable.”

http://www.ft.com/cms/s/0/3ebfbfaa-f571-11de-90ab-00144feab49a.html